Question
Sun June 01, 2008 By:

Basic concepts

Expert Reply
Sun June 15, 2008

The law states that: If two elements form more than one compound between them, then the ratios of the masses of the second element which combine with a fixed mass of the first element will be ratios of small whole numbers.

Another way to say this is:

A law proposed by Dalton which states that when elements combine, they do so in the ratio of small whole numbers. For example carbon and oxygen react to form  CO or CO2, but not CO1.8.

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