Famous Chemists and What They Discovered

Topics: Atom, Chemistry, Chemical element Pages: 2 (482 words) Published: August 2, 2012
Famous Chemists and What They Discovered

Svante Arrhenius (1859 -1927) - He was initially a physicist but more popular as a chemist because, he was the one who proposed the equation now known as the Arrhenius equation. He was also one of the first chemists who proposed that when in a solution the salt dissociates into ions even in the absence of an electric current.

Amedeo Avogadro (1776 - 1856) - He is known for proposing the Avogadro's Law which states that, "Equal volumes of gases contain the equal number of molecules when the given temperature and pressure are same for all the gases." The number of molecules present is known as, Avogadro's number and is 6.023 x 1023

Jons Jacob Berzelius (1779 - 1848) - He was Swedish and gave the technique of chemical formula notations. He also proposed the law of constant proportions, which proved that inorganic substances are made of elements that are in constant proportion by weight.

Marie Curie (1867 - 1934) - She was a Polish born chemist and physicist who later acquired French citizenship. She is renowned for her discoveries in the phenomenon of radioactivity. Marie Curie discovered the radioactive elements radium and polonium for which she was awarded the Nobel Prize in Chemistry.

John Dalton (1766 - 1844) - He was an English who is well-known for his discovery of atoms and the theory known as John Dalton's atomic theory. He stated that an atom is a fundamental unit of matter and these atoms can neither be created nor destroyed.

Michael Faraday (1791 - 1867) - He was a physicist who made contributions in the field of electrochemistry and electromagnetism. In the field of chemistry, it was Michael Faraday who discovered the aromatic compound benzene.

Joseph Louis Gay-Lussac (1778 - 1850) - He was French and physicist who is known for his work on gases. He proposed the Gay-Lussacs Law which states that, "At constant mass and pressure values, the volume of a gas increases linearly with temperature."...
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