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8 Cards in this Set

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