Question

On what basis is the mordern period table classified ?​

Answer 1

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atomic number

The modern classification is based on the atomic number of the element. The periodic law state that the physical and chemical properties of the element are the periodic function of their atomic number. Therefore the variation in the properties of element is related with its electronic configuration.

Answer 2

Atomic number

The modern classification is based on the atomic number of the element. The periodic law state that the physical and chemical properties of the element are the periodic function of their atomic number. Therefore the variation in the properties of element is related with its electronic configuration