Models of the Atom · CSEC Physics

9 past-paper questions on Models of the Atom, part of The Physics of the Atom, from every CSEC Physics paper on Quelpr.

1. 3(a)(ii)2 marks· CSEC Physics · 1990 · Paper 2Why was a vacuum necessary?
2. 3(a)(iii)1 mark· CSEC Physics · 1990 · Paper 2How were the alpha-particles detected?
3. 3(a)(iv)2 marks· CSEC Physics · 1990 · Paper 2Explain why most of the alpha-particles were able to pass through the foil undeviated.
4. 3(a)(v)2 marks· CSEC Physics · 1990 · Paper 2Name ONE scientist who had proposed another model of the atom just before this one, and briefly describe that model.
5. 4(a)6 marks· Physics Q4 4(a)Describe this experiment and explain how it established the nuclear structure of the atom.
6. 6(a)6 marks· Physics Q6 6(a)For EACH of these scientists, describe briefly TWO main ideas they put forward concerning the nature of the atom, including the name of EACH of their models.
7. 6(a)(i)3 marks· Physics Q6 6(a)(i)State the names of the components labelled A, B and C.
8. 6(a)(ii)2 marks· Physics Q6 6(a)(ii)Using your knowledge from Rutherford's experiment, explain why it was critically important for him to use the substance or element for the component labelled A.
9. 6(a)(iii)2 marks· Physics Q6 6(a)(iii)State TWO conclusions from Rutherford's experiment about the model of the atom.