Identify the position of the elements having outer electronic configuration $n s^{2} n p^{5}$ for n = 3

17th group, 3rd period

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8th group, 5th period

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7th group, 5th period

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8th group, 4th period

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Solution

The correct option is B 17th group, 3rd period
The element with outer electronic configuration $3 s^{2} 3 p^{5}$ is Cl . It belongs to third period and seventeenth group.

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Similar questions

Pd has exceptional outer electronic configuration as $4 d^{10} 5 s^{0}$ , it belongs to

4 d^{10} 5 s^{0}

n s^{2} n p^{5}

n s^{2} n p^{4} (n = 2)

(n - 1) d^{2} n s^{2} (n = 5)

V A

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