Question

What is the nuclear binding energy in joules for an atom of lithium? Assume the following:
Mass defect = 6.9986235 × 10-29 kilograms.
Use E = mc2, with c = 3 × 108 m/s.

A.
6.3 × 10-12 joules
B.
0.6352 × 10-8 joules
C.
6.3 × 10-8 joules
D.
21.124 × 10-21 joules