Question

State Newland octave rule

Answer 1

Law of octaves, in chemistry, the generalization made by the English chemist J.A.R. Newlands in 1865 that, if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements.

Answer 2

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$\large\underline{Newlands\:Law\:of\:Octaves:-}$

✔️ In 1866, he arranged then known elements in order of increasing atomic masses.

✔️ He started with element having low atomic mass,hydrogen and ended up in the thorium which was the 56th element.

✔️ He found that every eight element had properties similar that of the first.

✔️ He compared this to the octaves found in music.

✔️ Therefore, he called it the “Law of Octaves”. It is known as “Newland’s Law of Octaves”.

⚡NEWLAND OCTAVES RULE.

According to this rule that every eight element have the similar properties that of the first.
eg:-Sodium is the eight element after Lithium. The properties of Lithium and Sodium found to be the same.


Hope it helps you!!