Question

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

Answer 1

Explanation:

Answer: (b) Newlands' law of octaves was applicable only to lighter elements having atomic masses upto 40 u i.e., upto calcium.

Answer 2

Answer-

b) Calcium

Hope this helps you =)