Question

State Dalton's atomic theory. Mention its various postulates.​

Answer 1

Answer:

All matter consists of indivisible particles called atoms. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements. Atoms cannot be created or destroyed. Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.

Answer 2

Answer:

Dalton’s atomic theory was a scientific theory on the nature of matter put forward by the English physicist and chemist John Dalton in the year 1808. It stated that all matter was made up of small, indivisible particles known as ‘atoms’.

All substances, according to Dalton’s atomic theory, are made up of atoms, which are indivisible and indestructible building units. While an element’s atoms were all the same size and mass, various elements possessed atoms of varying sizes and masses.

The postulates and limitations of Dalton’s atomic theory are listed below.

Postulates of Dalton’s Atomic Theory

All matter is made up of tiny, indivisible particles called atoms.

All atoms of a specific element are identical in mass, size, and other properties. However, atoms of different element exhibit different properties and vary in mass and size.

Atoms can neither be created nor destroyed. Furthermore, atoms cannot be divided into smaller particles.

Atoms of different elements can combine with each other in fixed whole-number ratios in order to form compounds.

Atoms can be rearranged, combined, or separated in chemical reactions

Step-by-step explanation:

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