Total binding energy of a nucleus:

$\overline{){\mathbf{B}}{\mathbf{=}}{\mathbf{\left\{}}{\mathbf{\right(}}{\mathbf{Z}}{{\mathbf{m}}}_{{\mathbf{H}}}{\mathbf{+}}{\mathbf{N}}{{\mathbf{m}}}_{{\mathbf{n}}}{\mathbf{)}}{\mathbf{-}}{\mathbf{M}}{\mathbf{\}}}{{\mathbf{c}}}^{{\mathbf{2}}}}$, where:

Z - atomic number, m_{H} - mass of hydrogen atom, N - number of neutrons, m_{n} - mass of neutron, M - atomic mass, and c - speed of light.

Binding energy per nucleon:

**B' = B/A, **where A is the atomic number.

Calculate the binding energy per nucleon for ^{4}He. (Use the table of atomic masses as necessary.)

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