Flashcards
Looking Inside The Atom
Flashcards do conjunto (6)
- 1Ernest RutherfordSupervised the gold foil experiment and proposed that atoms where mostly empty space.
- 2Gold Foil experimentAn experiment in which alpha particles were fired at a thin layer of foil,with detectors surrounding it.
- 3Alpha particle2 protons and 2 neutrons
- 4What were the results?Some atoms passed directly through,some bounced back
- 5What did the results meanThat atoms were mostly empty space but there was some area with a high concentration of positive charge.
- 6Rutherford's model proposed...-Atoms are made of two particles
-protons carry a positive charge
-electrons have very little mass
-electrons have a negative charge.
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- Science (Chemistry) FlashCards sobre Looking Inside The Atom, criado por ioannis_lion em 06-04-2014.
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