Complete the following table: (4.4, 4.5)
$$
\begin{array}{|l|l|l|l|l|}
\hline \begin{array}{l}
\text { Name } \\
\text { of the } \\
\text { Element }
\end{array} & \begin{array}{l}
\text { Atomic } \\
\text { Symbol }
\end{array} & \begin{array}{l}
\text { Number } \\
\text { of } \\
\text { Protons }
\end{array} & \begin{array}{l}
\text { Number } \\
\text { of } \\
\text { Neutrons }
\end{array} & \begin{array}{l}
\text { Number } \\
\text { of } \\
\text { Electrons }
\end{array} \\
\hline & \begin{array}{l}
80 \\
34
\end{array} & & & \\
\hline & & 28 & 34 & \\
\hline \text { Magnesium } & & 14 & \\
\hline & { }_{88}^{228} \mathrm{Ra} & & & \\
\hline
\end{array}
$$