What is the valence shell electron configuration of the element with atomic number 17?

By: |Published on: Oct 14|Categories: Chemistry JAMB| 0 comments

A. 1s2 2s2 2p6 3s2 3p4

B. 1s2 2s2 2p6 3s2 3p5

C. 2s2 2p6

D. 3s2 3p5

Correct Answer:

Option B – 1s2 2s2 2p6 3s2 3p5

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