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Question

Which element has three shells with 5 electrons in its valence shell?

A
Nitrogen
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B
Silicon
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C
Phosphorous
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D
Sulphur
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Solution

The correct option is C Phosphorous
The electronic configuration of phosphorous is 2,8,5.
Thus it has three shells and 5 electrons in its outermost shell.
Hence, option C is correct.

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