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Jan 1, 700
Elixir of Life
A potion known to grant immortality, It was sometimes referred to as the philosophers stone. Many alchemist tried to find and discover it. It was given the name elixir in 7th century A.D. -
Sir Francis Bacon
Publishes the early work of the Scientific Method -
Philosophers Stone
A mythological stone that can supposedly turn any base metal into gold. Sometimes believed to achieve immortality. Knowledge of the stone dates back to 300 A.D., but it was reffered to in the book "Gloria Mundi" by Elias Ashmole (1620). -
Robert Boyle
The creator of the Boyle law, which describes the volume of gas at a constant temperature. -
Phlogiston Theory
The theory stated by Johann Becher in 1667. It stated that each item contain the element Phlogiston, which is non-detectable, until the item cobusts. It was a way to try to describe Combustion and Oxidation. -
Bronze Age
A period of time catergorized by the use of copper, more specifically bronze. It refers to being able to melt any iron ore. Took place in 1600 BC to 1200 BC. -
Pitchblende
Also known as Uraninite, which is an ore of Uranium. Found in 1727, but help find Uranium in 1789. -
Joseph Black
He isolates "Fixed Air" or Carbon Dioxide. -
Henry Cavendish
Noted for the discovery of Hydrogen, but he named it "Inflammable air". It was later given the name Hydrogen by scientist Antoine Lavoisier. -
Joseph Priestley
A chemist who is credited with discovering Oxygen in its Gaseous state. He wrote over 150 works, and agreed with the Phlogiston theory. -
Antoine Lavoisier (List of elements)
Known as the father of "Modern Chemistry". He put together the first list of elements. He also discovered that solfur was an element opposed to a compund. -
Joseph Proust
Proposes the laws of definite proportions, which states if elements change form they always have the same amount of elemental matter. -
John Dalton
Developed modern atomic theory. It states that all matter ia made of atoms. -
Alessandro Volta
Created the first chemical battery. -
Amedeo Avogadro
He created Avogadro's Law. It stated that the same portion of two different gases with the same mass and same temperature have the same number of molecules. -
Friedrich Wohler
Founded the synthesis of Urea. -
Lord Kelvin
He establishes absolute zero. A temperature where all molecular motion stops. -
Gustav Kirchhoff
Discovered that each element emits or absorbs light. -
Alexander Parkes
Exhibits parkesine, which is one of the earliest polymers. -
Svante Arrhenius
Establishes ion theory to explain conductivity in electrolytes. -
Joseph Thomson
He is credited for the discovery of the electron. -
Hantaro Nagaoka
He introduces an early nuclear model of the atom. -
Albert Einstein
Proves atomic theory. -
Ernest Rutherford
Credited for being the father of Radioactivity. He was awarded for his observation that radioactivity occured when one element transmutated to another. He also theorized that elements have a positive charge in their Nucleus. -
S. P. L. Sørensen
Events the concept of pH. -
Niels Bohr
Formulated the Bohr diagram, which was also named the Bohr model. He also worked on the Manhattan Project. -
Albert Einstein
The theory of relativity e=mc2. -
James Chadwick
Awarded for the discovery of the neutron in 1932. He also worked on the Manhattan Project. He helped create the first atomic bomb. -
Atomic Bomb
The atomic bomb was dropped on Hiroshima. -
Buckyball
A term given to molecules composed etirely out of carbon. First buckyball to be discovered was Buckminsterfullerene -
James D. Watson and Francis Crick
Proposed the structure of DNA.