Final answer:
The electron configuration of Aluminum (Al) is 1s^22s^22p^63s^23p^1. Aluminum has three valence electrons in the 3s^23p^1 subshells.
Explanation:
The electron configuration of Aluminum (Al) is:
1s22s22p63s23p1
Aluminum has three valence electrons in the 3s23p1 subshells.
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