How does atomic radius change from top to bottom in a group in the periodic table?

Answer 1

Going down a Group atomic radii INCREASE. Going across a Period, left to right, atomic radii decrease.

According to theories of modern electronic structure, electrons live in shells around a positive nucleus. A given number of electrons can fit in a shell, and when it is full, a new shell that is thought to lie farther away from the nucleus is initiated. As a result, as one moves down a group, the valence shell becomes farther from the nuclear core, leading to increased atomic radii.

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Answer 2

The atomic radius generally increases from top to bottom within a group in the periodic table.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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