Discovery of the Proton & Neutron (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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12 cards from this deck
Scientist who proposed spherical model in 1803
Scientist who proposed spherical model in 1803
John Dalton
Dalton's spherical model description
Dalton's spherical model description
Atoms are tiny spheres that can't be broken into smaller parts
Scientist who discovered the electron in 1909
Scientist who discovered the electron in 1909
JJ Thomson
Plum pudding model description
Plum pudding model description
Electrons in positively charged sphere, like fruit in pudding
Scientist who did gold foil experiment in 1909
Scientist who did gold foil experiment in 1909
Ernest Rutherford
Result for most alpha particles in gold foil experiment
Result for most alpha particles in gold foil experiment
Went straight through the foil
Result for some alpha particles in gold foil experiment
Result for some alpha particles in gold foil experiment
Scattered in different directions
Year Rutherford identified the proton
Year Rutherford identified the proton
1917
Definition of a proton
Definition of a proton
Positively charged particle in the nucleus
Where atom's mass is concentrated (Rutherford conclusion)
Where atom's mass is concentrated (Rutherford conclusion)
In a very small and dense central nucleus
Charge of the nucleus (Rutherford conclusion)
Charge of the nucleus (Rutherford conclusion)
Positively charged
Atomic model resulting from Rutherford's work
Atomic model resulting from Rutherford's work
Nuclear model