keoncalzada keoncalzada
  • 31-10-2019
  • Chemistry
contestada

Which of the following electron configuration represents an alkaline earth metal

[He]2s1
[Ar]4s23p6
[Ne]3s22p4
[Ne]3s2

Respuesta :

kaylaa98 kaylaa98
  • 31-10-2019
The last one 3s2 is mg(magnesium)
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