1.

Newlands' law of octaves could not classify all the elements known at that time.

Answer»

SOLUTION :Newlands. law of octaves was applicable upto calcium. After calcium, every eighth element did not possess properties similar to that of the first element.
Newlands. assumed that only 56 elements EXISTED in NATURE.
Newlands. law of octaves was found CORRECT only to lighter elements.
THUS, all the elements could not be classified by the Newlands law of octaves.


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