Question

What were the limitations of Newlands Law of Octaves.?



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Answer 1

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.

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

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Answer 2

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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.