What is the formula of the ionic compound formed from the ions Na^+ and Se^2-? N

Question

What is the formula of the ionic compound formed from the ions Na^+ and Se^2-? Na_2Se_3 Na_3Se NaSe NaSe_2 Na_2Se What force holds ions together in an ionic bond? covalent bonding centripetal force electromotive force gravitational force electrostatic force electromotive force Which of the following statements about the differences between ionic and covalent bonding is true? Electrons are transferred in forming ionic bonds and electrons are shared in forming covalent bonds Electrons are transferred in forming ionic bonds and electrons are not part of covalent bonds. Electrons are shared in ionic and covalent bonds Protons are transferred in forming ionic bonds and protons are shared in forming covalent bonds Electrons are transferred m forming ionic and covalent bonds What is the systematic name of the ionic compound formed from the ions Fe^2+ and O^2-?iron oxide (I) iron (II) iron(II) oxide iron (III) oxide Predict the ground state outer electron configuration of Cu

Explanation / Answer

10. Answer is E

11. Answer is E

12. Answer is A

13. Answer is C :  Iron(II) oxide

14. Answer is D :   Cu2+ is: [Ar] 3d9

15. Answer is A : 10

16. Answer is A : VO2

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