Joseph Louis Proust

  

Joseph Louis Proust was a french scientist. He was born on September 26, 1754. He developed the use of Hydrogen Sulfide as a reagent. He had the idea that the every pure chemical compound consists of elements of definite proportions. Many chemists of his time disagreed over this. Today, chemists accepted his idea.

Group 10
Danna Santos
Maia Tangco
Milana Tapawan
Diana Yoon
http://en.wikipedia.org/wiki/Joseph_Proust