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Jan 1, 721
Abu Mūsā Jābir ibn Hayyān
He produced Citric Acid, Acentric Acid and Tartaric Acid.
A great invention of his is used in the many chemical process like extraction, dehydration crystallization, Nitrification and Sulphonation. -
Jan 1, 1193
Albertus Magnus
Albertus Magnus discovered and published two methods of preparing the elemental arsenic. -
Robert Boyle
Boyle mad a law about gas which describes how the pressure of a gas tends to decrease as the volume of a gas increases. -
Georg Brandt
Georg Brandt was a Swedish chemist and mineralogist who discovered cobalt. -
Henry Cavendish
Henry Cavendish was the first person who discovered hydrogen or as he called it: flammable air -
Antoine Lavoisier
He named both oxygen and hydrogen and predicted silicon. He helped construct the metric system, put together the first extensive list of elements, and helped to reform chemical names. He was also the first to establish that sulfur was an element rather than a compound. He discovered that matters mass always remain the same. -
John Dalton
All matter is composed of atoms. Atoms cannot be made or destroyed. All atoms of the same element are identical. Different elements have different types of atoms. Chemical reactions occur when atoms are rearranged. Compounds are formed from atoms of the constituent elements. -
Joseph Louis Gay-Lussac
He is known mostly for two laws related to gases, and for his work on alcohol-water mixtures, which led to the degrees Gay-Lussac used to measure alcoholic beverages in many countries. -
Dmitri Mendeleev
He put the periodic table together. The elements, if arranged according to their atomic weight, exhibit an apparent periodicity of properties -
J.J. Thomson
He is credited with discovering electrons and isotopes, and inventing the mass spectrometer. -
Marie Curie
Polonium, Radium Her achievements included a theory of radioactivity (a term that she coined), techniques for isolating radioactive isotopes, and the discovery of two elements, polonium and radium.