nancie1016 nancie1016
  • 03-12-2021
  • Chemistry
contestada

The element that has a valence configuration of 5s2 is
Ba
Ca
Be
Sr
Mg

Respuesta :

nguyenhu nguyenhu
  • 14-12-2021

Answer: Sr

Explanation: Strontium electron configuration is [Kr] 5s2. It belongs to group 2 and period 5 of the periodic table.

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