Which element has the largest size in the second period?

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Solution

The correct option is C Li
Li is the first element of the second period. As the size decreases in the period from left to right, Li is the largest atom in the period. The atomic radii tend to decrease across a period because of increase in effective nuclear charge.

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Which element has the largest size in the second period?

The correct option is C LiLi is the first element of the second period. As the size decreases in the period from left to right, Li is the largest atom in the period. The atomic radii tend to decrease across a period because of increase in effective nuclear charge.

The correct option is C Li
Li is the first element of the second period. As the size decreases in the period from left to right, Li is the largest atom in the period. The atomic radii tend to decrease across a period because of increase in effective nuclear charge.