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Chemistry 5

STUDY
PLAY
Crookes
Studied Gas discharge tubes
Thomson
Plum pudding model of an atom and discovered negative particles
becquerel
studied fluorescence
Curie
Discovered polonium and radium
Rutherford
Gold foil experiment/ Rutherford model of an atom
Roentgen
discovered x rays
Chadwick
Discovered neutron
Plank/ Einstein
Quantum Theory
Bohr
Planetary model of an atom
Shrodinger
Cloud model of an atom
Heisenberg
said electron path is undetermined
Plumb pudding model
An atom is a solid body having an equal number of positive and negative charges
Rutherford Model
Dense nucleus with a lot of empty space
Planetary model
Electrons have definite energy levels, and revolve around a nucleus
Cloud model
Electrons are found in loosely defined energy levels