Flashcards
4.1 chemistry
Flashcards do conjunto (8)
- 1cathode ray tube experimentJJ Thomson, discovered electrons
- 2gold foil experimentErnest Rutherford, discovered protons
- 3what subatomic particle did James Chadwick discoverneutrons
- 4the dense, positive, tiny, center of an atom, contains most of the atoms mass, but does not occupy most of the atoms volumenucleus
- 5atomic numbermust be a whole number, the number of protons in an atom
- 6mass numbermust be a whole number, for atoms of the same element is similar, but can vary (different #n)
- 7what factor determines the identity of an atomatomic number
- 8carbon -14#p+=15
#n=16
#e-= 15
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- FlashCards sobre 4.1 chemistry , criado por Allyson Miller em 22-09-2023.
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- Allyson Miller
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