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pychu [463]
3 years ago
6

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

Chemistry
2 answers:
suter [353]3 years ago
4 0
The atomic radius increases as you would go down a particular group on the periodic table of elements. This is because along with a greater number of protons, there would also be electrons as well, and thus the need of electron shells surrounding the atom would also be required, to compensate for the more electrons, as according to the bohr model, each shell contains 8 electrons in its electron shell. Thus the distance from the nucleus to the outermost shell increases, the atomic radius.
vfiekz [6]3 years ago
4 0

Answer: Atomic radii increases from top to bottom in a group.

Explanation:

Atomic radius of an atom is defined as the total distance from the nucleus to the outermost orbital of electron.

As moving from top to bottom, there is an addition of shell around the nucleus and the outermost orbital gets far away from the nucleus and hence, the distance between the nucleus and outermost orbital increases.

This in turn increases the atomic radii of the element from moving top to bottom in a group.

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