Which of the following ions came from an atom that gained 2 electrons?

A. 0^2-

B. Li+

C. Mg^3+

D. N^3-

Question

Chemistry

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26 August, 17:39

Which of the following ions came from an atom that gained 2 electrons?

A. 0^2-

B. Li+

C. Mg^3+

D. N^3-

+1

Answers (1)

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Dax Levine · Answer 1

Group 6 elements like Oxygen like to take on the extra two electrons to become a 2 - anion and take on the noble gas configuration. so the O^2-, which looks like O=O, will have two oxygens sharing two electrons ... answer is O^2-

Which of the following ions came from an atom that gained 2 electrons?A. 0^2-B. Li+C. Mg^3+D. N^3-

Which of the following ions came from an atom that gained 2 electrons?

A. 0^2-

B. Li+

C. Mg^3+

D. N^3-