Question

According to the modern Periodic Law, the properties of elements are periodic functions of their
A) volency B) atomic mass C) number of neutrons D) atomic number

Answer 1

Answer:

The modern periodic law states that the physical and chemical properties of the elements are the periodic function of the atomic numbers. The various elements with similar properties repeat after certain regular intervals.

Hence, the correct option is A

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Answer 2

Answer:

(B) atomic mass . hope it help you