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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