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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Indivisible model
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Democritus and Dalton
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a solid sphere
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"plum pudding model"
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J.J. Thompson
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looks like a chocolate chip cookie
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solar system model
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Rutherford / Bohr
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looks like the Jimmy Neutron symbol
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electron cloud model
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current model of the atom
(no one scientist credited with creation) |
a big fuzzy ball with a nucleus inside
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Protons + neutrons = ________ |
Mass |
everything in the nucleus |
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time required for 1/2 the radioisotope to decay |
1/2 life |
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the negatively charged subatomic particle |
electron |
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the positively charged subatomic particle |
proton |
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subatomic particle with no charge |
neutron |
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large atom splits |
fission |
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smaller atoms "fuse" together |
fusion |
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this subatomic particle determines what the elelment is |
proton |
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this radiation is stopped by paper |
alpha particle |
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this radiation is stopped by lead or wood. (goes through paper) |
beta particle |
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this radiation is not easily stopped (it is just energy) |
gamma |
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Light (photon) is emitted when the electrons do this |
fall back to the ground state |
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the electrons are here |
in the orbitals |
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