Paulalex2619 Paulalex2619
  • 23-01-2024
  • Chemistry
contestada

The correct electronic configuration of element having mass number 39 and having number of neutrons 20 is ___________.


A 2,8,8
B 2,8,8,1
C 2,8,8,2
D 2,8,7,2

Respuesta :

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