After many observations, Proust stated that elements combine in definite proportions to form compounds. Dalton explained these observations by proposing that matter must consist of atoms. Dalton’s explanation is called a(n)
A. law.
B. theory.
C. hypothesis.
D. observation.
Answer:B
After many observations, Proust stated that elements combine in definite proportions to form compounds. Dalton explained these observations by proposing that matter must consist of atoms. Dalton’s explanation is called a(n)
A. law. B. theory. C. hypothesis. D. observation.