Question

state the postulates of Dalton theory

Answer 1

matter is made up of particles and these particles are known as atoms second atom is indivisible and cannot be created or destroyed in a chemical composition third the relative number and kind of atom are fixed in a given compound 4 atom combine in ratio of small whole number to form compound .5)atoms of same elements are identical in mass nd chemical proprties6) atoms of different elements are different in mass and chemical properties

Answer 2

hii there...

Some of the important postulates and limitation of Daltons atomic theory is given below :

Major postulates of Daltons atomic theory are:

(i) All forms of matter are made up of very small particles called atoms ( from the Greek word Atom meaning indivisible).

(ii) Atoms cannot be created, divided or destroyed as a result of a chemical change.

(iii) All atoms of an element are identical, and different from those of other elements.

(iv) Atoms of elements combine in the ratio of whole numbers to produce a large number of compound-atoms of a new substance. The compound-atoms of a particular substance are identical in all properties, and differ from those of other substances.

Thus, according to Daltons atomic theory, hydrogen was considered to be composed of only the atoms of hydrogen, while oxygen contained only the atoms of oxygen.

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