(I) What are Periodic Law and Periodicity?
(ii) Write the Newlands Law of Octaves with examples.
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(i) -> The periodic law states that the Chemical and Physical properties of a Chemical element are in the Periodic Function of their Atomic Masses, Numbers, Weights.
-> Periodicity refers to Trends or recurring variations in the Element properties with the increasing Atomic Number.
(ii) Newland in 1869, that if the chemical properties of a element are arranged according to their increasing Atomic Mass those with the similar Physical and Chemical properties occur after each interval of Seven elements.
Ex: Cobalt (Co), Nickel (Ni), Platinum (Pt)
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Sorry bro I don't know the answer but the above Answer is Correct.
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