How does the atomic radius change as you go?
(a) from left to right in a period.
(o) down a group in the periodic table. Exp'ain with suitable reason.
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Answer:
From left to right atomic radius decreases while from top to bottom increases
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A. Atomic radius decrease when we move left to right in periodic table because charge of nucleus increase thus increase the attraction of shells.
O. Atomic radius increase when we move down the periodic table because number of shells increase as we move down the periodic table.
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