Seudónimo Seudónimo
  • 25-09-2020
  • Biology
contestada

Which 2 elements have the same number of valence electrons?

Group of answer choices

magnesium & sodium

sodium & potassium

hydrogen & helium

Respuesta :

Komalpreet112 Komalpreet112
  • 25-09-2020
Sodium and potassium
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