eeisd17 eeisd17

07-06-2017
Chemistry

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What is the electron configuration of an element with atomic number 20?

Respuesta :

JavierCollante JavierCollante

07-06-2017

if the atomic number is 20, this means the element is Calcium (Ca).

the electron configuration of Ca is:

[Ca]= [tex]1s^22s^22p^63s^23p^64s^2[/tex]

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shanewilhite2020 shanewilhite2020

13-05-2019

Answer: D

Explanation: The correct answer is option D for Plato users

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