Chemistry, asked by rajnichawla14, 2 months ago

how many elements were known at the time of mendeeleve​

Answers

Answered by Anonymous
0

Answer:

63 elements

Explanation:

To put some order into his study of chemical elements, Mendeleev made up a set of cards, one for each of the 63 elements known at the time.

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Answered by Believerr53
1

Answer:

63 elements

Explanation:

he arranged elements according to their atomic weight

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