The number of protons is given by the atomic number (the subscript). On the left side, we have ${ }_{96}^{246} \mathrm{Cm}$ and ${ }_{6}^{12} \mathrm{C}$, which gives us a total of $96 + 6 = 102$ protons. On the right side, we have $4_{0}^{1} \mathrm{n}$, which
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