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

Marcel Collier

27 October, 23:01

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

A. 0^2-

B. Li+

C. Mg^3+

D. N^3-

+3

Answers (1)

Know the Answer?

Adrienne Fuller · 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-