From a knowledge of the size and mass of a nucleus, one can ...

[Capo]

From a knowledge of the size and mass of a nucleus, one can estimate the density of nuclear material. Such a calculation shows that the density of nuclear matter is on the order of magnitude of
 
  A) 1011 kg/m3.
  B) 1017 kg/m3.
  C) 104 kg/m3.
  D) 108 kg/m3.
  E) 102 kg/m3.

Question 2

An aluminum foil 0.10 mm thick has how many aluminum atoms per square cm? (The density of aluminum is 2.7  103 kg/m3 and the atomic mass of aluminum is 27.)
 
  A) 6  1017
  B) 6  1020
  C) 6  1024
  D) 6  109
  E) 6  1030

[zoeyesther]

Answer to Question 1

B

Answer to Question 2

B

[Capo]

Excellent

[tkempin]

Gracias!