Elements belonging to which group have the largest atomic radii?

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IIA

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VIIA

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Solution

The correct option is A IA
Atomic radii decreases on moving across a period from left to right so moving from IA to VIIA atomic radii decreases and group 1A has largest atomic radii as compared to other groups.

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Similar questions

The atomic numbers of three elements A, B and C are given below :

Element Atomic number

A 5

B 7

C 10

(i) Which element belongs to group 18? (ii) Which element belongs to group 15?

(iii) Which element belongs to group 13? (iv) To which, period/periods do these elements belong?

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