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Atom

Chem

QuestionAnswer
John dalton model and result Billiard ball model, came up with atomic theory
JJ Thomson model and result Plum-pudding, atoms have e- in them, using cathode ray tube
Ernest Rutherford model and result Atoms are mostly empty space, + charge in nucleus, gold foil experiment
Niels Bohr e- in energy levels
Schrödinger e- cloud
James Chadwick Neutrons in the nucleus
5 postulates of Dalton’s atomic theory 1. All matter is made of atoms 2. Atoms of the same elements are identical 3. Atoms cannot be subdivided, created, or destroyed 4. Atoms of different elements can combine 5. In chemical reactions atoms are combined, separated, or rearranged.
Created by: Rylan.B
 

 



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