dosoo183 dosoo183

13-12-2020
Chemistry

contestada

find the valence shell electronic configuration of element belonging to group 8a and period 4

Respuesta :

NgShiYin NgShiYin

13-12-2020

Answer:

2.8.8.

Explanation:

The element belonging to Group 8a and period 4 is Krypton, which has 18 electrons. The valence shell electronic configuration for the first 20 elements is 2.8.8.2 so Krypton's valence shell electronic configuration would be 2.8.8. only.

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