1.

Up to which element, the Law of Octaves was found to be applicable (a) Oxygen (b) Calcium (c) Cobalt (d) Potassium

Answer»

The answer is (b) Calcium

  • Newland’s law of octaves was applicable to the elements with atomic mass up to 40 da which comes up to Calcium. 
  • After calcium every eighth element possess properties similar to that of the first.


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