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Question
The element with the smallest size in group 13 is:
The element with the smallest size in group 13 is:
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Solution
The correct option is D boron
The element with the smallest size in group 13 is boron.
In a group, on moving from top to bottom, the atomic size increases as additional shells of electrons are added.
Group 13 elements (from top to bottom) include B, Al, Ga, In, and Tl.
The element with the smallest size in group 13 is boron.
In a group, on moving from top to bottom, the atomic size increases as additional shells of electrons are added.
Group 13 elements (from top to bottom) include B, Al, Ga, In, and Tl.
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