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Question

If the valence shell electronic structure for an element is ns2np5, this element will belong to the group of


A

Alkali metals

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B

Inert metals

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C

Noble gases

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D

Halogens

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Solution

The correct option is D

Halogens


ns2np5 configuration implies that the element has 7 electrons in its valence shell.

So, this element definitely belongs to the Group-17 or the Halogens group.

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