Question

143
4. The periodic law that states the physical
and chemical properties of the elements
are a periodic function of their atomie
weights" is
1​

Answer 1

Answer:

Explanation:

the law that the properties of the elements are periodic functions of their atomic numbers. Also called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights

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Answer 2

Answer:

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