# nuclear reaction formula

Level pending

When a neutron collides with an atomic nucleus of nitrogen, the nuclear reaction formula is as follows: $_{7}^{14}\textrm{N} + _{0}^{1}\textrm{n} \to _{6}^{14}\textrm{C} + _{1}^{1}\textrm{H}.$ Which of the following does NOT change after the reaction?

a) number of protons

b) number of neutrons

c) total mass

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