Which scientist provided a foundation for john dalton’s work on the atomic structure? a)robert millikan b)joseph proust c)ernest rutherford d)j. j. thomson

The correct answer is option B.

Explanation:

Joseph Proust has given the 'Law of definite proportions' in 1794 which states that:

'A chemical compounds always have same proportion by mass of each elements from which that chemical compound is formed'.

Dalton's atomic theory was proposed in 1803.

Where as one of the postulate of Dalton's atomic theory was that ,'atoms of different elements combine in fixed ratio to form a specific chemical compounds'.

the answer is B) Joseph Proust

Explanation:

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the answer is d. 74.02