Question

Define atomic radius. Give trends of atomic radius in periods and

groups.
Define atomic radius. Give trends of atomic radius in periods and

groups.​

Answer 1

Essentially, atomic radius decreases across the periods due to an increasing number of protons. Therefore, there is a greater attraction between the protons and electrons because opposite charges attract, and more protons creates a stronger charge. ... Down the groups, atomic radius increases.

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Answer 2

Answer: Atomic radius is the distance from the centre of the nucleus to the outermost shell containing electrons ie distance from the nucleas to the outer most occupied shell.

Explanation: generaly the atomic radius decreases as we move across a period from left to right and increases as we move down a group. And ofcourse there are exceptions

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