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Chemistry

Grade-9

Easy

Question

Which among the following laws was given by Newland?

Musical Law
Law of Octaves
Periodic Law
Atomic Mass Law

hint Hint:

In 1864, British chemist John Newlands attempted the 62 elements known at that time and arranged them in an ascending order based on their atomic masses in groups of 7.

The correct answer is: Law of Octaves

Newland gave the law of Octaves which states that when elements are arranged in increasing order of Atomic Mass, the properties of every eighth element starting from any element are a repetition of the properties of the starting Element.

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