Two isotopes of uranium have the same a. mass number b. neutron ...

[casperchen82]

Two isotopes of uranium have the same
 a. mass number
  b. neutron number
  c. atomic number
  d. nucleon number
  e. nucleon number and neutron number

Question 2

Rutherford's experiment, in which he fired alpha particles of 7.7 MeV kinetic energy at a thin gold foil, showed that nuclei were very much smaller than the size of an atom because
 a. some alpha particles passed through the foil undeflected. b. some alpha particles were deflected backwards.
  c. some alpha particles were captured by the gold nuclei.
  d. the alpha particles could not get closer than 10-10 m to the gold nuclei.
  e. the alpha particles split into deuterium nuclei when they encountered the gold nuclei.

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Answer to Question 1

C

Answer to Question 2

B

[casperchen82]

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