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

Answers (1)

Ans. (b)
Sol
.Newlands octave rule was applicable only to lighter elements up to 40u therefore Newland Octave’s rules are applicable only up to calcium. After calcium, each eighth element doesn't have properties like that of the first.

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