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Discuss variation of atomic size in a group |
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Answer» There are 18 groups in modern PERIODIC table.As we go from TOP to bottom in a group the atomic size increases as because as we go down in a group the number of valence electron remains constant but the number of shell increases,effective NUCLEAR charge DECREASES and so the atomic size also increases .I wish that my ANSWER will help you to solve your problem .,Explanation: |
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