what is atomic radius, how does it change in groups and periods.
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Atomic radius: it is defined as “the distance from the centre of the nucleus to the outermost shell of electrons”. ... The covalent and Van der Waals radii decrease with increase in atomic number as they move from left to right in a period. The atomic radius decreases from left to right within a period.
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atomic radius is the size if shell due to force of electrol
groups- increase
periods- decrease
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