Question

limitations of newlands law of octaves

Answer 1

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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.

Only 56 elements were known at the time of Newlands, but later several elements were discovered.

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Answer 2

Answer:

The major limitations of Newlands' law of octaves were : (i) It was applicable to only lighter elements having atomic masses upto 40 u, i.e., upto calcium. After calcium, the first and the eighth element did not have similar properties.