📝 Multiple Choice Question
General-science
Newlands law of octaves was only applicable upto which element?
A
Phosphorous
B
Silicon
C
Iodine
D
Calcium
Explanation
John Newlands' 'Law of Octaves,' proposed in 1865, successfully established early periodicity for lighter elements but broke down for heavier ones. Historically, his observed pattern of properties repeating every eighth element only held true up to calcium.
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