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const2013 [10]
2 years ago
12

aluminum (al) has three valence electrons and a total of three subshells. without using the periodic table, in which group and p

eriod is aluminum located?
SAT
2 answers:
fgiga [73]2 years ago
6 0

Answer:

its period 3 =)

Explanation:

Lady bird [3.3K]2 years ago
6 0

Answer: The correct answer is Group 3A, Period 3

Explanation:

Atomic number of aluminium is 13. As here n = 3 this means that aluminium element belongs to period.

Since, it contains 3 unpaired electrons. Therefore, in order to attain stability it will readily lose its valence electrons and hence, acquires as charge of +3.

This means that aluminium element belongs to group 3A and period 3.  As it is a p-block element.

Thus, we can conclude that aluminium is located in Group 3A, Period 3.

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