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CBSE - IX - Chemistry - Atoms and Molecules

Define dalton atomic theory ?

Asked by srivathchava15 14th March 2015, 9:01 PM
Answered by Expert


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). 

Answered by Expert 15th March 2015, 1:08 PM

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