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drek231 [11]
3 years ago
15

Who first arranged the elements according to atomic mass ?

Chemistry
1 answer:
kondaur [170]3 years ago
6 0

Answer:

Dmitri Mendeleev

Explanation:

In 1869, just five years after John Newlands put forward his Law of Octaves, a Russian chemist called Dmitri Mendeleev published a periodic table. Mendeleev also arranged the elements known at the time in order of relative atomic mass, but he did some other things that made his table much more successful.

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