Class-9-Science

Atoms and Molecules Theory Session-2

In this session students will study about Law of constant proportions and will also be doing numerical.

Atoms and Molecules Theory Session-3

In this session students will study about Dalton’s Atomic theory the basic theory which explains about nature of matter and its drawbacks.

Atoms and Molecules Theory Session-4

Brief discussion about atom, Symbol of chemical elements given by different scientists like Dalton and Berzilius are also discussed.