provgirljennyb provgirljennyb

16-04-2020
Chemistry

contestada

The electron configuration of an element is 1s2 2s2 2p1. How many valance electrons does the element have. 1,2,3 or 4

Respuesta :

keziakh004 keziakh004

16-04-2020

Answer:

3

Explanation:

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datmooodyt datmooodyt

15-10-2020

Answer:

3

Explanation:

Answer Link

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