If a nucleus had a diameter of 8.0 10-15 m, what would its mass ...

[formula1]

If a nucleus had a diameter of 8.0  10-15 m, what would its mass be in atomic mass units?
 
  A) 7
  B) 296
  C) 37
  D) 64
  E) 128

Question 2

What is the density of the nucleus of 90Sr?
 
  A) greater than 3  1020 kg/m3
  B) 90 kg/m3
  C) 2.1  1019 kg/m3
  D) 2.0  1015 kg/m3
  E) 2.3  1017 kg/m3

[enass]

Answer to Question 1

C

Answer to Question 2

E