Chemistry

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Democritus
- First person to name "atoms"
- Indestructable and indivisble
Dalton
- 4 theories
- (Atoms combine in whole # ratios)
Thomson
- Discovered Electron
- Cookie Dough
- Cathode Ray Tube
Bohr
- Planetary model
Rutherford
- Discovered Positive Nucleus
- Gold foil experiment
Schrodinger
- Electron Cloud
- Jimmy Neutron model
Louis de Boglie
- Quantom theory
- wave ~ light
- particle ~ mass
Neutron

Atomic mass - Atomic number
Isotope
C = lamda * v
- C = 3 * 10⁸
- Lamda = wavelength (m)
- V = frequency (Hz)
Rays; Shortest/Longest
- Shortest: Gamma
- Longest: Radio waves
Atomic Emission Spectrum

When atoms get "excited", they move up and down energy levels. When moving down, they give off light, called photons which make color.
C
Lamda | V

Triangle for equations