Question

State Mendeleev’s law.

Answer 1

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✒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.

☑ Atomic Number as the Basis for the Periodic Law:

✒Assuming there were errors in atomic masses, Mendeleev placed certain elements not in order of increasing atomic mass so that they could fit into the proper groups (similar elements have similar properties) of his periodic table.

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Answer 2

Answer:

mendeleev's periodic law:

                        physical and chemical properties of all elements are periodic function of their atomic masses.

which states that when elements are arranged in increasing order of atomic masses they show similarities with other elements in a group.

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