Question

who decoverd elements​

Answer 1

Answer:

Dimitri Mendeleev

Explanation:

hope it may help u

Answer 2

Answer:

Dimitri Mendeleev.

Explanation:

In 1863 English chemist John Newlands divided the then discovered 56 elements into 11 groups, based on characteristics. In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass.