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E = mc2 - mass energy conversion

Q1. The mass of the beryllium nucleus is 7.01473 u. What is the binding energy per nucleon of this nucleus?

Use the following data:

mass of proton = 1.00728 u

mass of neutron = 1.00867 u

A
 1.6 MeV nucleon-1
B
 5.4 MeV nucleon-1
C
 9.4 MeV nucleon-1
D
 12.5 MeV nucleon-1

 

Q2. What is the mass difference of the nucleus ?

Use the following data:

mass of a proton = 1.00728 u

mass of a neutron = 1.00867 u

mass of a Li nucleus = 7.01436 u

A
 0.03912 u
B
 0.04051 u
C
 0.04077 u
D
 0.04216 u