how atomic radius vary down a group and alone a period? short answer
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Explanation:
WHY? - The number of energy levels increases as you move down a group as the number of electrons increases. ... Therefore, the atomic radius increases as the group and energy levels increase. 2) As you move across a period, atomic radius decreases.
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In general, the atomic radius decreases as we move from left to right in a period with an increase in nuclear charge of the element. ... The atomic radius increases when we go down a group because of the addition of extra shell . Please follow me and mark me as brainlest please
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