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Byju's Answer
Standard XII
Chemistry
Introduction to d and f Block Elements
According to ...
Question

According to modern periodic law , variations in the properties of elements are related to their :

A
atomic weights
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B
nuclear weights
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C
atomic numbers
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D
neutron - proton ratios
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Solution

The correct option is C atomic numbers
The Periodic Law states that the physical and chemical properties of the elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number.

Hence, option C is correct.

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