The neutral deuterium atom, H, has a mass of 2.014102 u; a ...

[Kikoku]

The neutral deuterium atom, H, has a mass of 2.014102 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u. What is the binding energy of the H nucleus? 1 u = 931.494 MeV/c2.
 
  A) 1.1 MeV
  B) 1.7 MeV
  C) 2.2 MeV
  D) 2.9 MeV
  E) 3.4 MeV

Question 2

The mass of 1H is 1.007825 u and the mass of 1n is 1.008665 u. The mass of 12C is 12.000000 u, of 13N is 13.005739 u, and of 14N is 14.003074 u. What is the binding energy of the last proton in 13N?
 
  A) 2.5 MeV
  B) 1.9 MeV
  C) 9.8 MeV
  D) 10.6 MeV
  E) 3.8 MeV

[aburgess]

Answer to Question 1

C

Answer to Question 2

B

[Kikoku]

Excellent

[nothere]

Great answer, keep it coming