Question

State any two postulates of dalton atomic theory of matter.Which of his postulatevis not correct at present

Answer 1

Answer:

These are the postulates of Dalton's atomic theory...

i)every matter is made up of very small particles,called atoms

ii)atoms are indivisible which can neither be created or destroyed in a chemical reactions

iii)atoms of same element are alike in every nature

iv)atoms of different particles are different inevery aspects

v)atoms combine in the ratio of small whole number to form compound .

vi)the relative number as well as kinds of atoms are constant in a given compound.

...

Substances made up of the same kind of atoms may have the different properties- this postulate is incorrect in present..

Answer 2

Explanation:

1. Matter is composed of very tiny particles called atoms .

2. Atoms of an element are identical in terms of mass,size and other properties.