Dane:

$m_{\text{Cn}}=460,138852\cdot 10^{-27}\mathrm{kg}$

$m_p=1,67262192\cdot {10}^{-27}\text{kg}$  

$m_n=1,67492749\cdot {10}^{-27}\text{kg}$  

$c=2,99792458\cdot {10}^8\frac{\text{m}}{\text{s}}$  

$A=277$  

$Z=112$  

Szukane:

$E=?$