Completing a fission reaction using conservation of mass number and charge

1. A.
   $\ _{56}^{144}Ba + \ _{36}^{89}Kr + 4\ _{0}^{1}n$
2. B.
   $\ _{56}^{140}Xe + \ _{38}^{94}Sr + 3\ _{0}^{1}n$
3. C.
   $\ _{51}^{153}Sb + \ _{41}^{99}Nb + 3\ _{0}^{1}n$
4. D.
   $\ _{56}^{144}Ba + \ _{36}^{89}Kr + 3\ _{0}^{1}n$

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1. A.
   Proton
2. B.
   Electron
3. C.
   Neutron
4. D.
   $\gamma$-radiations

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