\[
\begin{array}{|c|c|c|c|c|}
\hline
\text{Particle} & \text{Charge} & \text{Location} & \text{Approximate mass (amu)} & \text{Made of quarks?} \\
\hline
\text{Proton} & +1 & \text{Nucleus} & 1 & \boxed{\text{Yes}} \\
\hline
\text{Neutron} & 0 & \text{Nucleus} & 1 & \boxed{\text{Yes}} \\
\hline
\text{Electron} & -1 & \text{Orbitals} & 0 & \boxed{\text{No}} \\
\hline
\end{array}
\]