Chemistry, asked by zareenaparveen508, 2 months ago

dmitri mendeleev built up a systematic periodic table of all the known 86 elements of his time based on thier atomic masses - true or false

Answers

Answered by uniqverse123

0

Answer:

False.

Explanation:

Only 63 elements were known in his time.

Answered by Anonymous

1

Answer:

false

Explanation:

because only 63 elements were discovered then

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