ticcitoby4life666
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 5421103
  • 17-12-2020

Answer:

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

Answer Link
elyssag04 elyssag04
  • 17-12-2020

Answer: A)1

Explanation:

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

Answer Link

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