Elements are arranged in Newlands Law of Octaves on the basis of _________.

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Atomic number

Number of electrons

Electronic configuration

Atomic mass

answer is B.

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Detailed Solution

Newlands compared the similarity between the elements to the octaves of music, where every eighth note is comparable to the first. The law of octaves states that every eighth element has similar properties when the elements are arranged in the increasing order of their atomic masses.

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