Chemistry, asked by lakshmivara95083, 7 months ago

how many elements are there in 1865​

Answers

Answered by Anonymous
2

Answer:

3

......................

Answered by Anonymous
8

Answer:

In 1865, the English chemist John Alexander Reina Newlands (1837-1898) classified the fifty-six known elements into eleven groups, based on their physical properties.

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