Question

(ii) Distinguish between :
Mendeleev's periodic table and modern periodic table. (Any three points)​

Answer 1

Answer:

Explanation:

(1)Morden periodic table has fixed position of hydrogen whereas Mendeleev table not

(2) Morden periodic table is based of atomic number whereas Mendeleev table was based on atomic mass

Answer 2

Answer:

Mendeleev. modern pt

I) based on atomic. based on atomic no

mass

ii) elements of different. elements have

separate box

type are placed in same

box

III) no special space for. vice versa

unfound elements