kimcardenas289 kimcardenas289
  • 21-10-2020
  • Chemistry
contestada

?
The group number tells the number of
Elements in the column
Number of valence electrons
O Number of energy levels
O Number of protons in the elements

Respuesta :

stephanielai914
stephanielai914 stephanielai914
  • 21-10-2020

Answer:

number of valence electrons

Explanation:

elements in the same group has same number of valence electrons

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