Question

demerits of Mendeleev periodic table​

Answer 1

Answer:

DEMERITS OF MENDEELV PERIODIC TABLE

Explanation:

✓Position of Isotopes could not be explained.

✓Wrong order of atomic masses couldn't explained. Ex- Argon has atomic mass unit 40 comes first and Potassium atomic mass unit 30 should comes later but potassium should be placed first according to his law.

BEST OF LUCK

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Answer 2

Answer:

hii

Explanation:

see the attachment

I hope it's helpful ☺️