Question

Describe Mendeleev's periodic

Answer 1

${\huge{\bold{\fbox{\underline{\mathfrak{\green{hey\:Mate}}}}}}}$

❤.Mendeleev realized that the physical and chemical properties of elements were related to their atomic mass in a 'periodic' way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table.

Answer 2

Answer:

groups =8

period =6

Explanation:

formed on the basis of atomic masses

it leads to discoveries of future elements

disadvantages - position of hydrogen was not fixed