Das Chemistry Timeline

phosphorus

Mar 16, 1669

Used in matches ad fertilizer

Platinum

Mar 16, 1700

Makes jewelry

Cobalt

Mar 16, 1735

Very strong magnets; deep blue pigment

Nickel

Mar 16, 1751

Makes coins

Bismuth

Mar 16, 1753

Used in fire sprinklers

Nitrogen

Mar 16, 1772

Used in fertilizer, essential for life.

Oxygen

Mar 16, 1774

Essential for life, found in water.

Tungsten

Mar 16, 1783

Used in lightbulbs and Cathode Ray tubes.

John Dalton

Mar 16, 1790

Made advancements in atomic theory. Calculating mass of atomic compounds.

Chromium

Mar 16, 1797

Added to steel to make stainless steel.

Potassium

Mar 16, 1807

Used in liquid soap. Prevelent in bananas.

Sodium

Mar 16, 1807

Used in the chemical industry; needed by the nervous system.

Iodine

Mar 16, 1811

Needed for the thyroid gland to work.

Lithium

Mar 16, 1817

Used to make glass; an anode in batteries.

Silicon

Mar 16, 1824

Semi-conductor used in computer chips

Alumium

Mar 16, 1825

Makes drink cans

Cesium

Mar 16, 1860

Infrared detectors; batteries that work below zero

Indium

Mar 16, 1863

Used as coatings for LCD's

Dmitri Mendeleev

Mar 16, 1869

Published te official Periodic Table.

Gallium

Mar 16, 1875

Used to make lasers!

Argon

Mar 16, 1894

Used in lightbulbs

J J Thompson

Mar 16, 1897

Theorized about the existence of electrons

Marie Curie

Mar 16, 1897

made major contributions to research of radioactivity.

Radium

Mar 16, 1898

Used in luminescen paint; failed cancer treatment

Ernest Rutherford

Mar 16, 1909

Discovered alpha and beta rays. Established the laws of radioactive decay.

Neils Bohr

Mar 16, 1913

Developed the Bohr model of the atom

Hafnium

Mar 16, 1923

Used to make super hard metals

Karl Zeigler

Mar 16, 1930

Researched and studied free radicals and compounds

Americinium

Mar 16, 1944

Used in smoke detectors.

E Schrodinger & W Heisenburg

Mar 16, 1950

Quantu theorists. Developed Schrodinger's cat.