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Give reason for the following statements on periodic trends in modern periodic table ofelements.a) Along the period, from left to right, the atomic radius values of the elementsdecrease whereas along the groups, from the top to bottom, the atomic radiusincreaseb) The electron affinity values increase along the period from left to right and decreasedown the group.c) The ionization energy values increase along the period from left to right anddecrease down the group. |
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Answer» Answer: a)at.radius decreases along the period BCZ the effective nuclear charge increases due to which ATOM contracts n down the group at.radius increases as shell no. increases due to which screening effect increases . b)electron AFFINITY has the same reason as MENTIONED above. c)same as above. |
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