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7. The atomic radii of three elements A, B and C of the periodic table are 186 pm,192 pm and 143 pm respectively. Arrange these elements in the increasing order ofatomic numbers in the period by giving reasons. |
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Answer» The higher the atomic radius the higher the atomic numberA = 186 pmB = 192 pmC =143When we convert it into increasing atomic radius then first will be C then A and then the biggest B CAB |
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