AS level Chemistry - atomic structure - atomic models quiz
- Created by: 1982elliebrown
- Created on: 08-10-15 13:44
Other questions in this quiz
2. When an electron _ _ _ _ _ between shells, electromagnetic radiation is _ _ _ _ _ _ _ or _ _ _ _ _ _ _
- moves, emmited, absorbed
- expand, changed, re-added
- shrinks, removed, stays the same
3. J J Thompson came up with the plum pudding model, but what was it?
- A spherical shape, with a positively charged pudding and randomly dotted negative electrons
- A negatively charged pudding of electrons, with randomly dotted protons
- A large lumpy mass that was a big mixture of protons, nuetrons and electrons
4. True or false: Bohr said that electrons have to be in shells otherwise the element would collapse
- True
- False
5. How did Rutherford discover his improved version of an atomic model?
- They found faults in the plum pudding model, so they guessed what it should be
- alpha particles fired straight at a thin sheet of gold. They expected most of them to be deflected by the possitive pudding, but most passed straight through, with some being deflected back
- They used a large amount of heat and managed to split apart the atom, which they studied underneath a microscope
- They used an electron microscope
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