Question

In order for sodium to have 8 valence electrons it would need to either gain _____ electrons or lose _____ electron.

Answer 1

Answer:

7

Explanation:

sodium has 1 valence electron because of its place on the periodic table. a trick to use is included in the picture below to find out how many valence electrons an element has. to get from 1 to 8 we add 7.

I hope this helps :))