Chemistry HistoryChemistry History

Prof. Mabí Gutarra UriolProf. Mabí Gutarra Uriol

““Black Magic”Black Magic”

Prehistoric Times - Prehistoric Times - Beginning of the Beginning of the

Christian EraChristian Era

1700 BC – 300 BC1700 BC – 300 BC

AristotleAristotle

AristotleAristotle declares the declares the existence of only four existence of only four elements: fire, air, water and elements: fire, air, water and soil. All matter is made up of soil. All matter is made up of these four elements and these four elements and matter had four properties: matter had four properties: hot, cold, dry and wet.hot, cold, dry and wet.

AlchemyAlchemy

Beginning of the Beginning of the Christian Era - End Christian Era - End

of 17th Centuryof 17th Century

300 BC - 1700300 BC - 1700

Philosopher’s StonePhilosopher’s Stone

Influenced greatly by Aristotle's Influenced greatly by Aristotle's ideas, alchemists attempted to ideas, alchemists attempted to transmute cheap metals to gold. The transmute cheap metals to gold. The substance used for this conversion substance used for this conversion was called the was called the Philosopher'sPhilosopher's StoneStone..

Elixir of lifeElixir of life

Alchemists not only Alchemists not only wanted to convert metals wanted to convert metals to gold, but they also to gold, but they also wanted to find a wanted to find a chemical concoction that chemical concoction that would enable people to would enable people to live longer and cure all live longer and cure all ailments. This elixir of ailments. This elixir of life never happened life never happened either.either.

The Skeptical ChemistThe Skeptical Chemist The disproving of Aristotle's The disproving of Aristotle's

four-elements theory and the four-elements theory and the publishing of the book, publishing of the book, The The Skeptical ChemistSkeptical Chemist (by (by RobertRobert BoyleBoyle), combined to destroy ), combined to destroy this early form of chemistry this early form of chemistry

Traditional ChemistryTraditional Chemistry

1700 - 18001700 - 1800

Dalton’s Atomic TheoryDalton’s Atomic Theory

JohnJohn DaltonDalton publishes his Atomic publishes his Atomic Theory which states that all matter is Theory which states that all matter is composed of atoms, which are small composed of atoms, which are small and indivisible.and indivisible.

Modern ChemistryModern Chemistry

1850 – 20th Century 1850 – 20th Century

Goldstein & ThomsonGoldstein & Thomson

Evidence of Protons, Electrons and Evidence of Protons, Electrons and NeutronsNeutrons

ReferencesReferences ““History of Chemistry”.Columbia University. Retrieved in 13/10/2011 from History of Chemistry”.Columbia University. Retrieved in 13/10/2011 from

http://www.columbia.edu/itc/chemistry/chem-c2507/navbar/chemhist.htmlhttp://www.columbia.edu/itc/chemistry/chem-c2507/navbar/chemhist.html

ATOMATOM

http://www.slideshare.net/http://www.slideshare.net/Mr.Thurston/the-atom-122592Mr.Thurston/the-atom-122592