Question

What changes do you find in atomic size of elements Egan we move across the period & down to the group. give reasons

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Answer 1

Answer:

Atomic size is the distance between the center of nucleus and the outermost electron in the outer shell. Across a period from left to right there is decrease in atomic size with increase in nuclear charge of the element. Atomic size increases down the group because of addition of extra shell.

Explanation:

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