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Question

How many valence electrons does silicon have?
28
2
1
14
4

A

14

B

2

C

1

D

28

E

4

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Solution

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Silicon has 4 valence electrons.

The outer electronic configuration of Si is $3 s^{2} 3 p^{2}$ .

Thus, Si has 4 valence electrons

Hence, the correct option is $E$

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