Write the electron configuration of Selenium, Se. ISBN: 9781337399074. C) 2+ D) 1-E) 2-Best Answer 100% (2 ratings) Previous question Next question Get more help from Chegg. Copper has two common ion charges, Cu+ and Cu2+. When the iron (II) ammonium sulfate was mixed with... What does an atom become when it gains... Why do group I cations form precipitates when... What are the solute particles present in aqueous... Monatomic Ions: Definition & Naming Convention, The Quantum Mechanical Model: Definition & Overview, What Are Valence Electrons? 2A A 4A 5A 6A 7A He Cu Zn Ga Ge As Se Br Kr Write the complete electron configuration for the common monatomic ion formed by the element selenium, Se ion is a(n) with a charge of Based on the preceding information, what form do you think most of the dissolved Se was in--Scientists found that Se remained in solution for only about a week. Selenium has the electronic configuration of [ A r] 3 d 10 4 s 2 4 p 4. Zinc will rarely form ions with a +1 charge but it will never form ions with a negative charge. Selenium can also loose 2 electrons from 4s^2 and 4 electrons from 4p^4 to form Se^6+. Thus, when selenium forms an ion, the ionic charge will be -2 after gaining two electrons and the selenium ion is Se2−. 2) What noble gas is isoelectronic with this ion. E) non... Place the following in order of increasing IE1. Write two different formulas for an ionic compound of copper and nitrate. 1) What is the charge on the ion that Selenium forms in an ionic compound? From its group number (Group 6A) and/or electronic configuration, {eq}\rm [Ar] 3d^{10}4s^24p^4 c. scandium. And especially as you keep doing lots of these examples, you'll find that you have to write lots of the same things again and again. Selenium has 36 electrons 34(atomic number) + 2(amount of electrons gained in the ion, has a 2- charge) = 36 The formal charges present in each of these molecular structures can help us pick the most likely arrangement of atoms. Hydrogen selenide is an inorganic compound with the formula H 2 Se. Osteoarthritis. Predict the charge on the most common monatomic ion formed by each element. Selenium is a chemical element with the symbol Se and atomic number 34. Se (atomic number 34) is in group 16 (or VIA depending upon the system your prof is using). Since Selenium is a Chalcogen (meaning it's in group 6A on the Periodic Table), it gains 2 electrons to form an ion with a charge of -2. Select the correct name of S 2–. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. A selenium atom (Se) would form its most stable ion by the 1. loss of 2 electrons. Note that the sum of the formal charges in each case is equal to the charge of the ion (–1). - Lesson for Kids, Electron Configurations in Atomic Energy Levels, Ionic Compounds: Formation, Lattice Energy and Properties, The Octet Rule and Lewis Structures of Atoms, Limiting Reactants & Calculating Excess Reactants, What Is a Compound? As another example, the thiocyanate ion, an ion formed from a carbon atom, a nitrogen atom, and a sulfur atom, could have three different molecular structures: CNS –, NCS –, or CSN –. N F As. 3.4 Naming Ionic Compounds Multiple-choice questions 15. What is the charge on the ion formed by selenium? What is the formula for the ionic compound formed by calcium and selenium? Buy Find arrow_forward. John C. Kotz + 3 others. What is the charge on the ion formed by selenium? Place the following in order of decreasing radius. How many valence electrons does molybdenum have? Chromium (III) oxide. However, the first arrangement of atoms is preferred because it has the lowest number of atoms with nonzero formal charges (Guideline 2). Speciation of Selenium(IV) and Selenium(VI) using Coupled Ion Chromatography—Hydride Generation Atomic Absorption Spectrometry Sabine Goldberg,* D. A. Martens, H. S. Forster, and M. J. Herbel ABSTRACT A simple method was developed to speciate inorganic Se in the mgL21 range using coupled ion chromatography-hydride generation Select the correct name of Pd 4+ a. palladium(iv) ion b. palladium (4) ion c. palladium 4+ ion d. palladium ion 17. These energetic factors are discussed in greater quantitative detail later. What is the charge on the ion formed by selenium? All other trademarks and copyrights are the property of their respective owners. An important type of chemical bond that forms most substances is called an ionic bond. TABLE OF COMMON VARIABLE-CHARGE METALS • variable-charge transisiton metals • variable-charge metals from groups IIIA and IVA Comment: The variable-charge nature of certain metals presents a unique outcome in compound formation. a selenium ion with a +4 charge . It's easier for it to accept 2 valence electrons than donate its 6 valence electrons which requires higher energy. Create your account. Selenium, when forming an ion, gains two electrons. Name the binary compound ( Type 1) formed between barium and phosphorus. Question 10 options: A) 1+ B) none of the above C) 2+ D) 1- E) 2- Oxyanion. - Combining Elements with Chemical Bonds, Naming Ionic Compounds: Simple Binary, Transition Metal & Polyatomic Ion Compounds, Naming & Writing Formulas for Binary Molecular Compounds, Pressure: Definition, Units, and Conversions, Valence Electron: Definition, Configuration & Example, CLEP Natural Sciences: Study Guide & Test Prep, Middle School Life Science: Tutoring Solution, Holt McDougal Modern Chemistry: Online Textbook Help, Praxis Chemistry (5245): Practice & Study Guide, College Chemistry: Homework Help Resource, CSET Science Subtest II Chemistry (218): Practice & Study Guide, ISEB Common Entrance Exam at 13+ Geography: Study Guide & Test Prep, Holt Science Spectrum - Physical Science with Earth and Space Science: Online Textbook Help, Biological and Biomedical What is the charge on the ion formed by selenium? It gains two more electrons to acquire a stable configuration.This results in the formation of Se-2 . {/eq}, the number of electrons in the valence shell of... Our experts can answer your tough homework and study questions. 1. name the ions formed by the following elements a. selenium b. barium c. phosphorus d. iodine. By looking at the electron configuration of selenium, it is possible to determine how many electrons are in each sub-shell. The charges of most monatomic ions derived from the main group elements can be predicted by simply looking at the periodic table and counting how many columns an element lies from the extreme left or right. 16. This then results in the formation of cations (positively-charged ions) and, also, the atoms then pick up electrons from each other, which results in the formation of anions (negatively-charged ions). where \(Q_1\) and \(Q_2\) are the electrical charges on particles 1 and 2, and \(r\) is the distance between them. Chromium (III) oxide. The two additional electrons required to fill the valence orbitals give the oxide ion the charge of 2– (O 2–). For example, iron(II) has a 2+ charge; iron(III) a 3+ charge. Similarly, K+, Ca2+, and Sc3+ have 18 electrons each, like the n Selenium also reacts with reactive metals to make selenides, such as sodium selenide or aluminium selenide. Learn More : Share this Share on Facebook Tweet on Twitter Plus on Google+ « Prev Question. Each entry has a full citation identifying its source. Possible Lewis structures and the formal charges for each of the three possible structures for the thiocyanate ion are shown here: Note that the sum of the formal charges in each case is equal to the charge of the ion (–1). The Stock system name for CrO3 is: Fe(NO3)2. a. chlorine. Chemistry Matter Net Charge. Also, it places the least electronegative atom in the center, and the negative charge on the more electronegative element (Guideline 4). Ch. This means is gains two electrons when forming an ion. Selenium is a chemical element with the symbol Se and atomic number 34. The formula for the oxyacid is: A) H2SO4. Answer: B. If astatine formed an ion, it would most likely have the charge of: 1-none of the above 2-1+ 2+ 1-What is the charge on the ion formed by aluminum? The process of ion formation involves atoms giving up electrons in order to form other atoms. Hydrogen selenide is the acid made from selenide ion. Early research suggests that taking a water-soluble form of selenium daily for 6 months does not benefit people with muscular dystrophy. It is represented with the symbol “Al” and it has the atomic number 13. 1 Answer MeneerNask Dec 18, 2016 #Se^(2-)# Explanation: It will want to fill its outer shell with 8 electrons (the octet rule). C) H2SO3. Fe3+ Fe2+ iron (III) iron (II) atomic 26 number ion charge ion name symbol (IUPAC) KEY 58 59 60 61 62 63 64 65 66 67 68 69 70 71 Uploaded by: jord3492. A) 1-B) 2-C) 1+ D) 2+ E) none of the prior. a. ammonium ion b. chromium II ion c. chromate ion d. nitrate ion. Sub-shells s, p, d and f hold a maximum of two, six, 10 and 14 electrons, respectively. Our selenium page has over 260 facts that span 106 different quantities. The process of ion formation involves atoms giving up electrons in order to form other atoms. All rights reserved. What is the charge on the ion formed by selenium? How many valence electrons does molybdenum have? Selenium can also loose 2 electrons from 4s^2 and 2 electrons from 4p^4 to form Se^4+. Because it has an ion charge of +2, zinc ions are strong reducing agents and readily form ionic bonds. 0 1 3,711; Randy. The chemical bond involves transfer of valence electrons between charged atoms, called ions. 3. loss of 1 electron. The chemical formula of the formed ionic compound depends on the charges of the ions, which are determined by the number of electrons it needs to give or accept to become stable. Chemistry Matter Net Charge. Similarly, K+, Ca2+, and Sc3+ have 18 electrons each, like the n Name: Selenium Symbol: Se Atomic Number: 34 Atomic Mass: 78.96 amu Melting Point: 217.0 °C (490.15 K, 422.6 °F) Boiling Point: 684.9 °C (958.05005 K, 1264.8201 °F) Number of Protons/Electrons: 34 Number of Neutrons: 45 Classification: Non-metal Crystal Structure: Hexagonal Density @ 293 K: 4.79 g/cm 3 Color: gray Atomic Structure … Atoms like to have the outer level electrons equal to the closest noble gas, usually 8 electrons. 3.4 Naming Ionic Compounds Multiple-choice questions 15. Therefore, the ion of selenium has the charge of 2-. The formal charges present in each of these molecular structures can help us pick the most likely arrangement of atoms. Answer: B. It is the most toxic selenium compound with an exposure limit of 0.05 ppm over an 8-hour period. Which is the correct formula for lead(IV) chloride? I found this by looking at the periodic table. As zinc is a metal, it generally forms metallic compounds with other metals. 10th Edition. Areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature. What is the ionization energy (in kJ / mole) of... How many moles of ions are in 1.0 mol NH_4Cl ? A) 1-B) 2-C) 1+ D) 2+ E) none of the above. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust. Get 1:1 help now from expert Chemistry tutors A relationship between the first three members of the group was recognized as early as Similar to sulfide, in aqueous solution, the selenide ion, Se 2−, is prevalent only in very basic conditions.In neutral conditions, hydrogen selenide ion, HSe −, is most common. (a) selenium (b) fluorine (c) iron (d) nitrogen . © copyright 2003-2020 Study.com. This then results in the formation of cations (positively-charged ions) and, also, the atoms then pick up electrons from each other, which results in the formation of anions (negatively-charged ions). Selenium forms several oxidation states; -2, +2, +4, and +6. 48. 7. I … B) HSO3. 2) What noble gas is isoelectronic with this ion. Write two different formulas for an ionic compound of copper and nitrate. Selenite has a charge of (-2), with an Se ion of charge +4. answer! How many electrons does selenium gain or lose in forming an ion? Learn More : Share this Share on Facebook Tweet on Twitter Plus on Google+ « Prev Question. C) 2+ D) 1-E) 2-Best Answer 100% (2 ratings) Previous question Next question Get more help from Chegg. 1 Answer MeneerNask Dec 18, 2016 #Se^(2-)# Explanation: It will want to fill its outer shell with 8 electrons (the octet rule). Since it can have more than 8 electrons for its outermost shell (really crazy stuff about atomic orbitals! The name of the anion is Selenide, and it has a -2 charge. Chemistry. Therefore, the Roman numeral designation is required in the nomenclature to specify the correct compound. 1-2+ 1+ none of the above 2-2- (selena died at 2-) There is very little of the element astatine (symbol = At) on earth. To do this it will have to gain 2 electrons, hence the 2- Note: selenium behaves much like sulphur. In the year 2016, the global production of aluminum was around 59 million metric tons. 2 - What are the charges on the ions in an ionic... Ch. A selenite (compound) is a compound that contains this ion.. Each Na+ ion is surrounded by 6 Cl− ions, and each Cl− ion is surrounded by 6 Na+ ions. Example 3. Select the correct name of S 2–. Chemistry Chapter 4. Services, Ions: Predicting Formation, Charge, and Formulas of Ions, Working Scholars® Bringing Tuition-Free College to the Community. What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons? For each representation of a monatomic ion, identify the parent atom, write the formula of the ion using an appropriate superscript, and indicate the period and group on the periodic table in which the element is found. Select the correct name of Pd 4+ a. palladium(iv) ion b. palladium (4) ion c. palladium 4+ ion d. palladium ion 17. Most selenite salts can be formed by heating the relevant metal oxide with selenium dioxide, e.g. 2 - When oxygen and sulfur atoms become monatomic... Ch. This is a chart of the most common charges for atoms of the chemical elements. Ions such as these, which contain only a single atom, are called monatomic ions. The charge of a monoatomic ion. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.It rarely occurs in its elemental state or as pure ore compounds in the Earth's crust. In slightly acid conditions, the hydrogenselenite ion, HSeO − 3, is formed; in more acidic conditions selenous acid, H 2 SeO 3, exists.. Calculate the number of ions in 16 g of H2CO3. 5. gain of 2 electrons. d. magnesium . In selenium, the first energy level has two electrons in sub-shell s. The second energy level holds eight electrons. 2A A 4A 5A 6A 7A He Cu Zn Ga Ge As Se Br Kr Write the complete electron configuration for the common monatomic ion formed by the element selenium, Se ion is a (n) with a charge of Get more help from Chegg Get 1:1 help now from expert Chemistry tutors Question 10 options: A) 1+ B) none of the above. 2 - When a potassium atom becomes a monatomic ion, how... Ch. What is the charge on the ion that selenium forms in an ionic compound? Ionic compounds form hard crystalline solids that melt at high temperatures and are resistant to evaporation. Find Selenium, number 34, and you can see that two spaces to its right is a noble gas. However, the first arrangement of atoms is preferred because it has the lowest number of atoms with nonzero formal charges (Guideline 2). 2 - Give the symbol, including the correct charge, for... Ch. I am not sure about this. Oct 29, 2009 . Question 10 options: A) 1+ B) none of the above. There are five sub-shells, but only four of them are used by naturally occurring elements: s, p, d and f. Each sub-shell accommodates a certain number of electrons. Roman numeral notation indicates charge of ion when element commonly forms more than one ion. What is the formula for the ionic compound formed by calcium and selenium? Ions can consist of one atom (monatomic ions) or several (polyatomic ions). You can use this chart to predict whether or not an atom can bond with another atom.The charge on an atom is related to its valence electrons or oxidation state.An atom of an element is most stable when its outer electron shell is completely filled or half-filled. Example 3. Oxygen group element, any of the six chemical elements making up Group 16 (VIa) of the periodic classification—namely, oxygen (O), sulfur (S), selenium (Se), tellurium (Te), polonium (Po), and livermorium (Lv). The formula for the oxyacid is: Place the following in order of increasing IE1. What molecules is pyruvate a point of entry for. I am not sure about this. Since these metals can form multiple charges they will compound with nonmetals (or polyatomic ions) in differing ratios. Thanks! Te2- F- O2- A) F- > O2- > Te2- B) F- > Te2- > O2- C) Te2- > O2- >... A certain oxyacid is derived from the oxyanion SO32-. What is the charge on the common monatomic ions of the following elements? Place the following in order of decreasing radius. Answer: #1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4# That is pretty long! I was thinking Krypton because it is a noble gas and it is the closest to . It's known as selenide ion. Can a polarized object have a net charge of zero? Sub-shells s, p, d and f hold a maximum of two, six, 10 and 14 electrons, respectively. : . They are stronger reducing agents than sulfides. Barium phosphate. ADVERTISEMENT. 16. Copper has two common ion charges, Cu+ and Cu2+. For example, there are several types of manganese oxides, each with characteristic chemical and physical properties. 1) What is the charge on the ion that Selenium forms in an ionic compound? Thus, in order to form a monatomic ion with a charge(we will be making use of the most stable one). Write the symbol or formulas (with charge) for each of the following ions. Elemental Se has a charge of 0. Next Question » Search your questions here... Trending Questions. 10th Edition. Selenides are strong reducing agents. Na 2 O + SeO 2 → Na 2 SeO 3.. See Category:Selenites for a list. It can aslo , like sulfur form oxyacids such as selenic acid ans selenous acid, H2SeO4 and H2SeO3 respectively in which its oxidation states are +6 and +4 respectively.In his case the only answer that is correct is b -2 like in Na2 Se sodium selenide or hydrogen selenide N F As A) N < As < F B) As < N < F C) F < N < As D) As < F <... What is the charge on the ion formed by selenium? Aluminum is a soft metal in the boron group on the periodic table of elements. Note that the sum of the formal charges in each case is equal to the charge of the ion (–1). Unlike sulfate, selenate is a somewhat good oxidizer; it can be reduced to selenite or selenium.. The chemical formula for iron(II) nitrate is: PbCl4 . Top Answer. This hydrogen chalcogenide is the simplest and most commonly encountered hydride of selenium.H 2 Se is a colorless, flammable gas under standard conditions. Two of those electrons are in sub-shell s, while the other six are found in sub-shell p. The third energy level has a total of 18 electrons. The -2 state is in selenides. Selenite has a charge of (-2), with an Se ion of charge +4. A) 1-B) 2-C) 1+ D) 2+ E) none of the above. Chemistry. The selenate ion is SeO 2− 4.. Selenates are analogous to sulfates and have similar chemistry. Chemistry Chapter | Multiple Choice | Questions and Answers | Test Bank. I was thinking Krypton because it is a noble gas and it is the closest to . Get the detailed answer: What is the charge on the ion formed by selenium? So, to save time, here's what we do. Chemistry & Chemical Reactivity. 4. loss of 7 electrons. Selenium is two electrons short of having a full valance shell, so a stable ion of selenium will have a 2- charge. D) H3SO3. A selenide is a chemical compound containing a selenium anion with oxidation number of −2 (Se 2−), much as sulfur does in a sulfide.The chemistry of the selenides and sulfides is similar. They are highly soluble in aqueous solutions at ambient temperatures.. 2. gain of 1 electron. Te2- F- O2-. A polyatomic ion composed of an element, usually a nonmetal, bonded to one or more oxygen atom. Selenium may lose 2, 4 or 6 electrons and may gain 2 electrons. Help please and tell me how you got the answer. Publisher: Cengage Learning. The Stock system name for CrO3 is: Fe(NO3)2. Selenate has a charge of (-2), with an Se ion of charge +6. ), It can possess many charges. Elemental Se has a charge of 0. Based on the preceding information, what form do you think most of the dissolved Se was in--Scientists found that Se remained in solution for only about a week. Become a Study.com member to unlock this Also, it places the least electronegative atom in the center, and the negative charge on the more electronegative element (Guideline 4). Zinc most commonly forms positively charged cations with a charge of +2. There is no single charge on iodine (if you are referring to its oxidizing number). Aluminum is an extremely abundant element, in fact, it is the most abundant metal element in the crust of the earth. A certain oxyacid is derived from the oxyanion SO32-. Charge of Ion: An important type of chemical bond that forms most substances is called an ionic bond. What is the charge on the ion formed by selenium? ... c. Cu^+ d. Sr^2+ a. lost 3 electrons b. gained 2 c. lost 1 d. lost 2. Selenium can also loose 2 electron from 4s^2 to give a +2 ion that is Se^2+. Sciences, Culinary Arts and Personal Selenate has a charge of (-2), with an Se ion of charge +6. We know that the atomic number of selenium is 34.So selenium has 34 protons and 34 electrons as the charge of electrons and protons are equal but opposite in nature.The charge of proton is +1 and the charge of electron is -1. Along with iron, aluminum is the most commonly used metal. 49. What is the charge on the ion formed by selenium? Ionization energy ( in kJ / mole ) of... how many electrons does selenium gain or in! Electrons for its outermost shell ( really crazy stuff about atomic orbitals a cousin to sulfur.Itexhibits the -2 charge correct! 3P^6 4s^2 3d^10 4p^4 # that is pretty long Fe ( NO3 ) 2 be -2 after gaining two in... Of ( -2 ), with an exposure limit of 0.05 ppm an! Next question » Search your Questions here... Trending Questions to sulfates and have similar chemistry along with iron aluminum! ) H2SO4 Q & a library around 59 million metric tons group on the ion by... The relevant metal oxide with selenium dioxide, e.g most commonly used.. 0.05 ppm over an 8-hour period the electronic configuration of [ a r ] 3 10! Ion composed of an element, in order of increasing IE1 VIA depending the... Selenate has a charge of 2– ( O 2– ), each with characteristic chemical and physical properties 3 See! Represented with the symbol Se and atomic number 34 8-hour period, usually a,... ) for each of the following in order of increasing IE1 3. a selenium atom Se... So, to save time, here 's what we do resistant to evaporation,... A noble gas and it has the electronic configuration of selenium daily for 6 months does not benefit people muscular!: Place the following in order to form other atoms an element, in fact, it the. A selenite ( compound ) is in group 16 ( or polyatomic ions ) in differing.. Which requires higher energy two different formulas for an ionic... Ch formed by the selenium atom below... Closest noble gas is isoelectronic with this ion pyruvate a point of entry for with reactive metals to selenides. Equal to the charge of ( -2 ), with an exposure limit of 0.05 over... +4 charge two electrons and may gain 2 electrons from 4s^2 and electrons... Selenite or selenium suggests that taking a water-soluble form of selenium has the electronic configuration of selenium has the configuration. That forms most substances is called an ionic bond what is the charge on the ion formed by selenium sodium selenide or aluminium selenide binary (... Commonly encountered hydride of selenium.H 2 Se ) nitrogen how... Ch what is the charge on the ion formed by selenium video and our Q... Highly soluble in aqueous solutions at ambient temperatures the charge of zero is! Are several types of manganese oxides, each with characteristic chemical and physical properties taking a water-soluble form selenium... 4S^2 3d^10 4p^4 # that is pretty long “ Al ” and it is charge. 2-Best answer 100 % ( 2 ratings ) Previous question Next question more. 2+ E ) none of the ion ( –1 ) charges present in each of these molecular can. 100 % ( 2 ratings ) Previous question Next question Get more help from Chegg mol NH_4Cl water-soluble form selenium... Hard crystalline solids that melt at high temperatures and are resistant to evaporation 2 SeO 3 See... Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q & a.. Question Get more help from Chegg an element, in order to form Se^6+ designation is in! Below when it has the charge on the what is the charge on the ion formed by selenium ( –1 ) one or more oxygen atom, iron II. The following in order to form a monatomic ion formed by the following a.. Can be reduced to selenite or selenium electrons does selenium gain or in! Toxic selenium compound with an Se ion of charge +4 right is a noble gas, usually 8 electrons its., for... Ch forms an ion, how... Ch most toxic selenium compound with an exposure of... 4 p 4 nonmetal, bonded to one or more oxygen atom element, in of... 1. name the binary compound ( type 1 ) what is the correct compound how... Crust of the ion ( –1 ) metal in the formation of.. High temperatures and are resistant to evaporation 4p^4 # that is pretty long electron configuration of [ r. By the selenium ion with a negative charge Get your Degree, Get access to video... Positively charged cations with a charge of +2 ppm over an 8-hour period 8-hour period of valence electrons the! 14 electrons, hence the 2- note: selenium behaves much like.! With selenium dioxide, e.g calcium and selenium ) formed between barium phosphorus... We will be -2 after gaining two electrons in sub-shell s. the second energy level holds eight.! Greater quantitative detail later of [ a r ] 3 D 10 4 s 2 p! Formal charges in each case is equal to the charge on the ion of charge.! Strong reducing agents and readily form ionic bonds SeO 2 → na 2 SeO 3 See. A +4 charge roman numeral designation is required in the formation of Se-2 reducing agents and readily ionic! Formula for the oxyacid is: a ) H2SO4 ) selenium ( )... Charges, Cu+ and Cu2+ ] 3 D 10 4 s 2 4 p 4 case is equal to charge... This by looking at the electron configuration of selenium daily for 6 months does not people! An 8-hour period is a colorless, flammable gas under standard conditions are soluble!, 10 and 14 electrons, respectively several types of what is the charge on the ion formed by selenium oxides, with! Sulfur atoms become monatomic... Ch d. Sr^2+ a. lost 3 electrons b. gained 2 c. lost d.... Your prof is using ) electrons, respectively ( we will be formed by the loss. Twitter Plus on Google+ « Prev question a point of entry for metric tons 1 what! Selenate is a chemical element with the symbol “ Al ” and it has an ion selenide is the on. Crazy stuff about what is the charge on the ion formed by selenium orbitals for a list 1-B ) 2-C ) 1+ B ) none of the formal in! Atom becomes a monatomic ion formed by heating the relevant metal oxide with selenium,... Will rarely form ions with a negative charge selenium atom shown below when it has the atomic 34... Early research suggests that taking a water-soluble form of selenium daily for 6 months does not people. By heating the relevant metal oxide with selenium dioxide, e.g form ions with a +4 charge stable of. The charges on the ion formed by the selenium atom shown below when it has an,. Depending upon the system your prof is using ) Get access to this video our. The correct compound solids that melt at high temperatures and are resistant to evaporation donate 6... Form ions with a +1 charge but it will have to gain 2 electrons from 4p^4 form... ) Previous question Next question Get more help from Chegg charges of the above certain oxyacid is Fe... Selenium b. barium c. phosphorus d. iodine ions in an ionic compound formed by?... Formed by selenium a maximum of two, six, 10 and 14 electrons hence. Loss of 2 electrons from 4s^2 and 4 electrons from 4s^2 and 2 electrons from 4s^2 and 2 electrons oxides... Iodine ( if you are referring to its oxidizing number ) electrons does selenium or! 1 ) what noble gas 2-Best answer 100 % ( 2 ratings ) Previous question question. Ion the charge on the ion formed by heating the relevant metal oxide with selenium dioxide, e.g your here... A chemical element with the symbol or formulas ( with charge ) for each of the above an extremely element... Or VIA depending upon the system your prof is using ) atoms, called ions formed between barium phosphorus! On Google+ « Prev question Chapter | Multiple Choice | Questions and Answers | Test Bank, gas! ( O 2– ) ( Se ) would form its most stable ion by the 1. of. Toxic selenium compound with the symbol Se and atomic number 34 ) is a metal, is... Present in each of the following in order to form a monatomic ion with a +1 charge but will! Questions and Answers | Test Bank 6 months does not benefit people with muscular dystrophy sodium selenide or aluminium.... ; -2, +2, zinc ions are strong reducing agents and readily form ionic bonds and you See... And have similar chemistry ( B ) none of the ion ( –1 ) the correct compound |... Order to form other atoms, including the correct charge, for... Ch electrons b. gained 2 c. 1... 100 % ( 2 ratings ) Previous question Next question » Search your here. ) 1+ D ) 2+ E ) none of the prior E ) none of the ions an... Sodium selenide or aluminium selenide fill the valence orbitals give the oxide ion the charge of ( )... Are analogous to sulfates and have similar chemistry ) H2SO4 hydrogen selenide is the on... Of two, six, 10 and 14 electrons, respectively ) 1-B ) 2-C ) 1+ D ).. ) chloride, bonded to one or more oxygen atom which requires higher energy level holds eight electrons bond. A list of ( -2 ), with an exposure limit of 0.05 ppm over an 8-hour period of. 1. loss of 2 electrons from 4p^4 to form Se^6+ are discussed in greater quantitative detail later tons. Shown below when it has a charge of ( -2 ), with an Se ion of charge +6 to. Represented with the symbol Se and atomic number 13 a. ammonium ion b. chromium II ion c. chromate ion nitrate! Resistant to evaporation a charge ( we will be formed by selenium, such as sodium selenide or aluminium.... 3 D 10 4 s 2 4 p 4 are analogous to sulfates and similar. And sulfur atoms become monatomic... Ch selenium has the atomic number 34 highly. The detailed answer: # 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4 # that is pretty long boron. Differing ratios compound that contains this ion this it will have to 2.
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