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Question

Classification of periodic table based on atomic number is given by:

A
Mendeleev's
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B
Mosley
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C
Both A and B
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D
None of these
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Solution

The correct option is A Mosley
Henry Moseley found a relationship between the X-ray wavelength of an element and its atomic number. Moseley's discovery showed that atomic numbers were in fact based upon experimental measurements.

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