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Who observed that when the elements were arranged according to their increasing atomic weights, every eighth elements had properties similar to each other​

Sagot :

chemist John Newlands

Explanation:

Using newly standardized values for atomic weights, English chemist John Newlands suggested in 1864 that when the elements were arranged in order of atomic weight, any one of the elements showed properties similar to those of the elements eight places ahead and eight places behind in the list—a feature that Newlands