mayleenac28 mayleenac28
  • 18-09-2021
  • Chemistry
contestada

What element has 2 valence electrons and 2 energy levels

Respuesta :

tamanglu
tamanglu tamanglu
  • 18-09-2021

Answer:

helium

Explanation:

helium has 2 protons and 2 electrons. The 2 electrons are on the first energy level.

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