if two or more compounds are composed of the same two elements, then the ratio of the masses of the second element that is combined with a certain mass of the first element is always a ratio of small whole numbers. this statement is called the law of

6 hours ago 4

The statement you provided is called the Law of Multiple Proportions.

When two or more compounds are composed of the same two elements,
The ratio of the masses of the second element that combine with a fixed mass of the first element
Is always a ratio of small whole numbers.

This law was formulated by John Dalton and is one of the fundamental laws of chemical combination, supporting the atomic theory.