SusanIsMe4263 SusanIsMe4263
  • 05-11-2021
  • Chemistry
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Which element has 2 energy shells and 2 valence electrons

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shirleyc0552
shirleyc0552 shirleyc0552
  • 05-11-2021

Helium

Helium has 2 electrons both in the first shell (so two valence electrons).

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