karelyl6497 karelyl6497

16-11-2021
Biology

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Based on figure 2-2, how many electrons does an atom of Aluminum contain? (assume all atoms are neutral)

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jrdabarba jrdabarba

16-11-2021

Answer:

see exp.

Explanation:

Aluminum has 13 electrons in a neutral atom. The 1S2, 2S2 and 2P6 shells are full, and so is the 3S2. The 3P1 shell has one electron in it (in Al's neutral atom) and that gives aluminum one lone valence electron and two "semi-valence" electrons which can be loaned out. :D

pls join clan NaGa

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