Chemistry, asked by jayadithya2005, 9 months ago

3. The number of elements known when Mendeleev presented periodic table is.
a) 50
b) 90
c) 63
d) 102

Answers

Answered by sahilshenoy3

2

Hello

63 elements were known.

Thank You!!

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Answered by Ladylaurel

0

Answer:

happy to help you........

Explanation:

63

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