According to Moseley's periodic law the physical and chemical properties of elements are the periodic function of their atomic .
A
numbers
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B
structures
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C
masses
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Solution
The correct option is A numbers Moseley formulated a periodic law, which states that the physical and chemical properties of elements are the periodic function of their atomic numbers.
It implies that when elements are arranged in order of increasing atomic numbers into groups and periods then their physical and chemical properties repeat periodically.