Other questions in this quiz

2. What else did he say about the level of energy in each shell?

  • It is always 3 or more
  • It is fixed
  • It varies
  • It is very very loud

3. Why do scientists not always use the quantum model?

  • There is a lack of evidence for this model, so some scientists prefer to use the Bohr model
  • Becuase it can be too complex, so they use the refined Bohr model
  • It may not be accurate

4. True or false: Bohr said that electrons have to be in shells otherwise the element would collapse

  • True
  • False

5. When an electron _ _ _ _ _ between shells, electromagnetic radiation is _ _ _ _ _ _ _ or _ _ _ _ _ _ _

  • moves, emmited, absorbed
  • expand, changed, re-added
  • shrinks, removed, stays the same

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