Question

Short note on Mendeleev's periodic Law...​

Answer 1

Answer:

Mendeleev’s Periodic Table: Mendeleev’s periodic table is based on the physical and chemical properties of elements and their atomic masses.

Mendeleev’s Periodic Law: According to this “The physical and chemical properties of the elements are the periodic function of their atomic masses.

”Periodicity of Properties: The repetition of properties of elements after certain regular intervals is known as Periodicity of Properties.

Merits of Mendeleev’s Periodic Table:

Mendeleev’s left vacant places in his table which provided an idea for the discovery of new elements. Example: Eka-boron, Eka-aluminium and Eka-silicon.

Mendeleev’s periodic table was predicted properties of several undiscovered elements on the basis of their position in Mendeleev’s periodic table.

It is useful in correcting the doubtful atomic masses of some elements.

Noble gases could accommodate in the Mendeleev’s periodic table without disturbing the periodic table after discovery.

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Answer 2

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.

ANSWERThe Mendeleev's periodic law states that " The properties are a periodic function of their atomic mass." by using the atomic mass as the concept periodic classification of elements can be arranged in a groups.

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