-
Dmitri Mendeleev
arranged periodic table according to atomic mass
Put elements together in a pattern -
Period: to
Atomic Theory
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JJ Thompson 1856-1940
Discovered electrons
Plum pudding model
Showed how there are smaller subatomic particles -
Marie Curie 1867-1934
Discovered two radioactive elements
received peace prize
Stated radation linked to atom structure -
Thomas Rutherford 1871-1937
Discovered nucleus and protons
Discovered nuetron
Gold foil experiment
Showed what an atom looks like -
Mosley
Development of Moseley's law in X-ray spectra.
Moseley's Law justified many concepts in chemistry by sorting the chemical elements of the periodic table of the elements in a quite logical order based on their physics. -
Neils Bohr 1885-1962
Develpoed orbital model -
Erwin Schrodinger 1887-1961
Quantum theory
Path of electrons random -
Werner Heisnberg 1901-1976
Developed uncertainty principle
Showed how you cannot find an electron AND know how fast it is going at the same time -
James Chadwick 1891-1974
Worked on Mahatten project
Discovered nucleus
Showed what an atom looks like -
Glenn Seaborg
Identified actinides and lanthanides
Pulled out these series and change how the periodic tale is veiwed -
Peter Armbruster 1931-
Synthesised hassium, meitnerium, and darmstadium -
Rudolph Marcus 1923-
Electron Transfer Theory
Won a nobel prize for his theory in 1992 -
Eric Cornell 1961-
Produced the first bose-einstein condensate with the help of Carl Wieman
Earned the nobel peace prize -
Carl Wieman
Created the first bose-einstein condensate -
A. David Buckingham
He was awarded the first Ahmed Zewail Prize in Molecular Sciences for pioneering contributions to the molecular sciences