Question #b71e0

1 Answer
mrpauller.weebly.com
Oct 20, 2017

3

Explanation:

The electron configuration of boron is #1s^2 2s^2 2s^1#

Valence electrons are the ones in the highest energy levels. For boron this would be the 2 electrons in the 2s sublevel and the 1 electron in the 2p sublevel.

The videos below might be helpful for this concept.

Hope this helps!

Related questions
Impact of this question
965 views around the world
You can reuse this answer
Creative Commons License