Gọi \({{m}_{p}}\), \({{m}_{n}}\), \({{m}_{x}}\) lần lượt là khối lượng của prôtôn

A. \(\text{W}=\left( Z.{{m}_{p}}+\left( A-Z \right){{m}_{n}}-{{m}_{x}} \right){{c}^{2}}\)

B. \(\text{W}=\left( Z.{{m}_{p}}+\left( A-Z \right){{m}_{n}}-{{m}_{x}} \right)\)

C. \(\text{W}=\left( Z.{{m}_{p}}+\left( A-Z \right){{m}_{n}}+{{m}_{x}} \right){{c}^{2}}\)

D. \(\text{W}=\left( Z.{{m}_{p}}-\left( A-Z \right){{m}_{n}}+{{m}_{x}} \right){{c}^{2}}\)