jessieweger jessieweger

16-12-2020
Chemistry

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The electron configuration for an element is 1s2 2s2 2p6 3s2 3p6. What is the atomic number of the element? *
A. 3
B. 11
C. 18
D. 22

Respuesta :

TrickYwriTer TrickYwriTer

29-12-2020

Explanation:

Electronic configuration =

1s² 2s² 2p⁶ 3s² 3p⁶

Atomic number = 18
Element = Argon
Symbol = Ar
Group = 18
period = 3

Therefore,

Option C is correct✔

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