How does the atomic size vary across a period ? Give reason.
Asked by nbharati796 | 3rd Feb, 2020, 06:42: PM
Atomic size decreases actross a period from left to right.
Reason: Along a period number of shells remian the same but nuclear charge increases hence attractive force of the nucleus on valence electrons increases. Thus atomic size decreases.
Answered by Ravi | 4th Feb, 2020, 11:06: AM
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