CBSE - IX - Chemistry - Atoms and Molecules
Define dalton atomic theory ?
Dalton’s atomic theory can be explained as follows:
1) Matter is made up of atoms. Atoms are indivisible and indestructible.
2) All atoms of a certain element are identical in mass and properties.
3) Compounds are formed by a combination of two or more different kinds of atoms.
4) A chemical reaction is a rearrangement of atoms.
In short we can say that,
Dalton’s atomic theory states that matter consists of indivisible particles called atoms of a given element are all identical and can neither be created nor destroyed. Compounds are formed by combination of atoms in simple ratios to give compound atoms (molecules).
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