jelezaanger
jelezaanger jelezaanger
  • 30-12-2015
  • Chemistry
contestada

An atom of aluminum in the ground state and an atom of gallium in the ground state have the same
(1) mass
(2) electronegativity
(3) total number of protons
(4) total number of valence electrons

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PhyCS
PhyCS PhyCS
  • 31-12-2015
(4) total number of valence electrons, because they exist in the same group.
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