Question

Many scientist before mandeleev also use atomic masses as the base of classification. why did only mandeleev succeed???
Pls send me answer fast

Answer 1

Answer:

ONLY MENDALEEV CLASSIFIED SCIENTIFICALLY.OTHERS DONOT

Explanation:

Answer 2

Answer:

This is because he not only took the atomic masses, but also their reactivities with hydrogen and oxygen as the basis.

And not only that, he also considered the possibility of discovering of other elements in the future and left spaces for them, unlike the former scientists.

These factors made his table more successful than the previous ones.