annasalami
annasalami annasalami
  • 15-03-2018
  • Biology
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Aluminum (Al) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly shows the electron arrangement for aluminum?
1. 2, 11
2. 2, 8, 1
3. 2, 8, 3
4. 2, 8, 17

Respuesta :

julielevo2004 julielevo2004
  • 15-03-2018
It would be 3. 2,8,3
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