Question
Question: What is the electronic configuration of \(O^{2 -}\)ion?...
What is the electronic configuration of O2−ion?
A
1s22s22p6
B
1s22s22p4
C
1s22s22p5
D
1s22s22p3
Answer
1s22s22p6
Explanation
Solution
: O2− ion contains 2 electrons more than O. Hence its electronic configuration will be 1s22s22p6