Flashcards
Atomic Theory History
Cards in this deck (6)
- 1DemocritusSmallest part of a substance
Solid
indestructible - 2DaltonIndivisible spheres
Different sizes and weights acc. to element - 3ThomsonPositive spheres
Containing electrons
Plum pudding - 4RutherfordNucleus – protons
Electrons orbit nucleus - 5BohrElectron shells
Each orbit has an energy level
Bohr model shows nucleus and electron shells - 6ChadwickNucleus – protons and neutrons
Electrons move in orbitals
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- Science Flashcards on Atomic Theory History, created by bnaomis on 08/09/2013.
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- bnaomis
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