eeisd17 eeisd17
  • 07-06-2017
  • Chemistry
contestada

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

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JavierCollante
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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