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Assertion (A) : In the periodic table of chemical element, electron affinity is always found to increase from top to bottom in a group. Reason (R) : In a group, the atomic radii generally increase from top to bottom. Codes

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Periodic classification of elements is the method by which elements are grouped on the basis of their characteristics - we keep the elements that are alike in one group and the rest of the elements in the other group.


Assertion (A) : In the periodic table of chemical element, electron affinity is always found to increase from top to bottom in a group. Reason (R) : In a group, the atomic radii generally increase from top to bottom. Codes






 
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