Identify the correct option regarding the trend in atomic size down the group of the periodic table.

Atomic size increases down the group.

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Atomic size decreases down the group.

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Atomic size remains same down the group.

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Atomic size first increases and then decreases down the group

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Solution

The correct option is A Atomic size increases down the group.
The size of an atom increases gradually from top to bottom in a group. This is because, going down the group, additional shells are filled, and hence the distance from nucleus and valence shell increases.

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Similar questions

Q. Atomic size increases down the group in the periodic table.

The atomic size of an atom increases across the period and decreases down the group.

Atomic size ___ down the group. (increases/decreases)

(i) Electropositive nature of the element(s) increases down the group and decreases across the period
(ii) Electronegativity of the element decreases down the group and increases across the period
(iii) Atomic size increases down the group and decreases across a period (left to right)
(iv) Metallic character increases down the group and decreases across a period.
On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.

Which is the element with the smallest atomic size

Q. Assertion :The atomic size generally increases across a period and decreases down the group. Reason: Atomic size depends upon valence shell electronic configuration.

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Identify the correct option regarding the trend in atomic size down the group of the periodic table.

The correct option is A Atomic size increases down the group.The size of an atom increases gradually from top to bottom in a group. This is because, going down the group, additional shells are filled, and hence the distance from nucleus and valence shell increases.

The correct option is A Atomic size increases down the group.
The size of an atom increases gradually from top to bottom in a group. This is because, going down the group, additional shells are filled, and hence the distance from nucleus and valence shell increases.