Question

What is the drawback of Dobereiner’s triads and Newland’s octaves?

Answer 1

Answer:

Atomic mass of Cl is not an arithmetic mean of atomic masses of F and Br. Limitations of Newland's Law of Octaves: Newland could arrange elements only up to calcium, out of the total 56 elements known. After calcium, every eighth element did not possess properties similar to that of the first.

Answer 2

hey mate here is your answer .

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Atomic mass of Cl is not an arithmetic mean of atomic masses of F and Br. Limitations of Newland's Law of Octaves: Newland could arrange elements only up to calcium, out of the total 56 elements known. After calcium, every eighth element did not possess properties similar to that of the first.