ticcitoby4life666 ticcitoby4life666

17-12-2020
Chemistry

contestada

What is the total number of valence electrons in an atom with the electron configuration 2-8-1 ?
A) 1
B) 2
C) 8
D) 11

Respuesta :

5421103 5421103

17-12-2020

Answer:

1 because the last one is 1 and the previous shell was complete.

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elyssag04 elyssag04

17-12-2020

Answer: A)1

Explanation:

Valence electrons are always in Thebes last shell and last number of the configuration.

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