lauraabonilla2 lauraabonilla2
  • 13-06-2017
  • Chemistry
contestada

what is the position of an element in the periodic table if its electron configuration is 1s^2 2s^2 2p^6 3s^2 3p^5

Respuesta :

dec77cat dec77cat
  • 24-06-2017
Cl  chlorine

Chlorine is located in 7A group of the third period.

[Ne]3s²3p⁵
2+5=7
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