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Valency

The number of...

Question

The number of valence electrons in a lithium atom is:

A

3

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B

2

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C

1

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D

4

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Solution

The correct option is C 1
The atomic number of lithium is 3.
Thus, the electronic configuration of lithium is 2, 1.
Since, it has 1 electron in its outermost shell, hence, the number of valence electron is 1.

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