thumpers3116 thumpers3116

24-11-2020
Chemistry

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What is the outer energy level and sublevel used in the electron configuration for potassium?

Select one:
a. 4s
b. 3s
c. 3p
d. 4p

Respuesta :

quasarJose quasarJose

24-11-2020

Answer:

a. 4s

Explanation:

The outer energy level and sublevel used in the electron configuration for potassium is the 4s sub-level.

Potassium has 19 electrons.

The electronic configuration of this chemical element is:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

The outermost energy level is the 4s

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