Question

what is the number of valence electrons in (1.) sodium ion Na+ (2.) oxide ion (O-2) ?​

Answer 1

Answer:

8 0r 20 ca calcium name of each electrons in each orbital 1s2 2s2 2p6 3s2 3p6 4s2 this is answer my friend.

Answer 2

Answer:

1. 8
2. 8

Explanation:

1 : sodium ion has 8 electrons in it's valence shell .

2 : oxide ion has 6+2=8 electrons in it's valence shell

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