What is the electron configuration of an element with atomic number 20? A. 1s2 2s2 2p6 3s2 3p5 B. 1s2 2s2 2p6 3s2 3p6 C. 1s2 2s2 2p6 3s2 D. 1s2 2s2 2p6 3s2 3p6 4s2 E. 1s2 2s2 2p6

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asked Aug 8, 2021 29.5k views

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What is the electron configuration of an element with atomic number 20? A. 1s2 2s2 2p6 3s2 3p5 B. 1s2 2s2 2p6 3s2 3p6 C. 1s2 2s2 2p6 3s2 D. 1s2 2s2 2p6 3s2 3p6 4s2 E. 1s2 2s2 2p6

Biology
middle-school

Vervatovskis asked

by Vervatovskis

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Answer:

electron configuration is 2,8,8,2

Step-by-step explanation:

1s2 2s2 2p6 3s2 3p6 4s2

EvdB answered Aug 15, 2021

by EvdB

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