Question

Which scientist provided a foundation for John Dalton's work on the atomic structure?
Robert Millikan
Joseph Proust
Emest Rutherford
OJ.J. Thomson
?

Answer 1

Answer: The correct answer is Joseph Proust

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

'A chemical compounds always have the same proportion by mass that chemical compound is formed'.

Answer 2

the answer is joseph proust