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1. |
The statement which is not correct for periodic classification of elements isA)The properties of elements are a periodic function of their atomic numbersB)Non-metallic elements are less in number than metallic elementsC)The first ionisation energies of elements along a period of vary in a regular manner with increase in atomic numberD)Generally electronegativity and electron affinity increase across the periodA. The properties of elements are a periodic function of their atomic numbersB. Non-metallic elements are less in number than metallic elementsC. The first ionisation energies of elements along a period of vary in a regular manner with increase in atomic numberD. Generally electronegativity and electron affinity increase across the period |
Answer» Correct Answer - C |
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