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Valence Electrons

What is the v...

Question

What is the valency of Aluminium?

A

2

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B

4

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C

8

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D

3

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Solution

The correct option is D
3

Atomic number of aluminium is 13 so its electronic configuration is 2, 8, 3. Since it has 3 electrons in its valence shell, it will lose 3 electrons to complete its octet. Hence, its valency is +3.

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