Question

What are the works that mendeleev have done? ​

Answer 1

Answer:

Mendeleev went even further. He corrected the known atomic masses of some elements and he used the patterns in his table to predict the properties of the elements he thought must exist but had yet to be discovered. He left blank spaces in his chart as placeholders to represent those unknown elements.

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Answer 2

Answer:

Heya Mate...When Mendeleev arranged the elements in order of increasing atomic mass, the properties where repeated. He corrected the known atomic masses of some elements and he used the patterns in his table to predict the properties of the elements he thought must exist but had yet to be discovered thereafter

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