Question

main postulates of dalton on atomic theory

Answer 1

 

DALTON ‘S ATOMIC THEORY

     Main postulates of Dalton atomic theory is as follow:

Matter is composed of very tiny or microscopic particles called "Atom".

Atom is an indivisible particle.

Atom can neither be created nor it is destroyed.

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

Atoms of different elements are different in their properties.

Atoms combine with each other in small whole numbers.

All chemical reactions are due to combination or separation of atoms.

Answer 2

1) Atoms are the smallest indestructible particles.
2) All the atoms of a given elements have identical properties including identical mass. Atoms of different elements differ in mass.
3) Compounds are formed when atoms of different elements combine in a fixed ratio
4) Atoms can neither be created nor be destroyed
5) Atoms of same elements have same atomic mass
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