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8 Cards in this Set
- Front
- Back
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Democritus:
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He named the atom and hypothesized it's existence
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Rutherford:
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Discovered the nucleus
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Dalton:
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Atoms of the same element are exactly alike, atoms of different ekements are different
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Thomson:
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Discovered the electron "plubm pudding model"
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Bohr:
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Thought electrons were arranged in energy levels like orbits around the nucleus
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Isitopes:
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Atom of an element that has the same number of protons as another atom of the same element but a different number of neutrons
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Quarks:
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Particle that makes up all other known particles in the nucleus of an atom
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The four fourses that hold an atom together:
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1.Electromagnetic force
2. Strong Force 3. Weak force 4. Gravity |
