Atomic Timeline
Published on Nov 23, 2015
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PRESENTATION OUTLINE
DEMOCRITUS 460 BC
ATOMOS MODEL
ATOMOS MODEL
- First person to come up with idea of atoms
- Father of modern science
- Discoverer of atoms
ARISTOTTLE384 BC
EARTH WIND WATER FIRE THEORY
4 ELEMENTS
- Wrote over 150 philosophys
- He dicusses the 4 elements
- He studied meteorology
DALTON 1800'S
BILLIARD BALL MODEL
BILLARD BALL MODEL
- Obserbs chemical reactions
- Many diffrent kinds of atoms
- Atoms arnt destroyed just re arranged
THOMSON 1906
CATHODE RAY EXPIRIMENT PLUM PUDDING MODEL
PLUM PUDDING MODEL
- Atom is composed of elsectrons
- They are surronded by posotive to balance out
- Thry look like plum pudding
- Cathode ray expiriment
RUTHEFORD 1911
GOLD FOIL EXPIRIMENT POSOTIVLY CHARGED NEUCLEOUS MODEL
GOLD FOIL EXPIRIMENT
- Nucleous has posotive charge
- Has most of the atom mass
- Showed thomson was incorrect
MILLIKAN 1933
OIL DROP EXPIRIMENT
OIL DROP EXPIREMENT
- Used to measure charge of electron
- Finding charge of single electron
- Mas charge
CHADWICK 1935
PROTON NEUTRON MODEL
PRTON NEUTRON MODEL
- Discovered the neoutron
- Gonobel prize in physics
