breeanao34 breeanao34

16-07-2020
Chemistry

contestada

Which ion with a charge of -2 has an electron configuration of 1s22s22p6 ?
Use the periodic table.

A. N3-
B. O2-
C. O
D. N

Respuesta :

Stephen46 Stephen46

18-07-2020

Answer:

The answer is option B.

O2-

Hope this helps you

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