Question

Define atomic size. How does it vary in a period?​

Answer 1

Question:

• Define atomic size. How does it vary in a period?

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.

Answer 2

Answer:

Atomic size is the distance between the centre 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 increase down the group because of addition of extra shell.

Explanation:

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