Question

According to Mendeleev's periodic law, the physical and
chemical properties of elements are a periodic function of
their
OA
Atomic mass
OB.
Atomic number
O c. Empirical formula
OD
Atomic size
Answers

Answer 1

Answer:

Atomic mass......

Hope it helps.....

Answer 2

Explanation:

According to mendeleevs periodic table elements were arranged in the periodic function of their atomic masses

He was Moseley who said that elements were arranged in periodic function of their atomic number.

Therefore the correct option is (A)

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