Mendeleev classified elements in

Question

Mendeleev classified elements in (A) increasing order of atomic groups (B) eight periods and eight groups (C) seven periods and nine groups (D) eight periods and seven groups

Tardigrade Admin · Accepted Answer

Mendeleev kept elements in increasing order of atomic weights in seven periods and eight groups.

Q. Mendeleev classified elements in

increasing order of atomic groups

eight periods and eight groups

seven periods and nine groups

eight periods and seven groups

Mendeleev kept elements in increasing order of atomic weights in seven periods and eight groups.