JKSSB Mock Tests

Who arranged the 56 elements in an ascending order of their atomic mass and found that each 8th element had the same properties?

A. Van Spronsen
B. John Newlands
C. Dmitri Mendeleev
D. Lothar Meyer
Answer: Option B
Solution (By JKSSB Mock Tests Team)
In 1864, the English chemist John Newlands published an early version of the periodic table based on his 'Law of Octaves.' He historically compared this periodic repetition of chemical properties to the octaves found in a musical scale, though his peers initially ridiculed the idea.
This Question Belongs to: General science Chemistry set 1
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