\begin{table}%t4
%\centering
\par
\caption{Surface abundances mass fractions at the end of the second dredge-up.
\label{tab4}}
\begin{tabular}{cccccccccccccccc}
\hline\hline
$M_{\rm ini}$ & \chem{H}{1} & \chem{He}{3} & \chem{He}{4} & \chem{C}{12} & \chem{C}{13} & \chem{N}{14} & \chem{N}{15}
 & \chem{O}{16} & \chem{O}{17} & \chem{O}{18} & \chem{Ne}{21} &
\chem{Ne}{22} & \chem{Na}{23} & \chem{Mg}{25} & \chem{Mg}{26} \\
(\msun)   &  & $10^{-5}$ & & $10^{-3}$ & $10^{-5}$ & $10^{-3}$ & $10^{-6}$ 
& $10^{-3}$ & $10^{-5}$ & $10^{-5}$ &$10^{-6}$ & $10^{-4}$
&$10^{-5}$ & $10^{-5}$ & $10^{-5}$ \\
\hline
 8.8 & 0.602 & 4.91 & 0.378 & 1.81 & 10.01 & 4.41 & 1.60 & 7.80 & 1.43 & 3.01 & 7.13 & 1.13 & 7.72 & 6.74 & 9.72 \\
 9.0 & 0.600 & 4.84 & 0.380 & 1.81 & 10.01 & 4.43 & 1.59 & 7.76 & 1.41 & 4.22 & 7.11 & 1.27 & 7.79 & 6.71 & 9.74 \\
 9.5 & 0.597 & 4.69 & 0.383 & 1.82 & 10.04 & 4.48 & 1.58 & 7.71 & 1.35 & 4.84 & 7.02 & 1.40 & 7.92 & 6.66 & 9.78 \\
10.0 & 0.593 & 4.56 & 0.387 & 1.94 & 10.02 & 4.52 & 1.55 & 7.64 & 1.30 & 5.96 & 6.94 & 1.92 & 8.06 & 6.61 & 9.83 \\
10.5 & 0.591 & 4.47 & 0.388 & 2.40 & 10.04 & 4.51 & 1.54 & 7.63 & 1.26 & 6.63 & 6.81 & 2.60 & 8.15 & 6.57 & 9.87 \\
10.8 & 0.673 & 5.04 & 0.306 & 2.18 & 11.03 & 3.48 & 1.83 & 8.62 & 1.40 & 4.81 & 5.60 & 1.55 & 6.46 & 7.31 & 9.20 \\
11.0 & 0.683 & 5.08 & 0.297 & 2.00 & 11.19 & 3.40 & 1.70 & 8.70 & 1.40 & 1.42 & 5.48 & 1.22 & 6.25 & 7.38 & 9.10 \\
11.3 & 0.682 & 5.03 & 0.298 & 1.99 & 11.22 & 3.43 & 1.69 & 8.67 & 1.38 & 1.41 & 5.53 & 1.21 & 6.31 & 7.36 & 9.12 \\
11.5 & 0.681 & 5.00 & 0.298 & 1.99 & 11.24 & 3.44 & 1.69 & 8.65 & 1.36 & 1.41 & 5.55 & 1.21 & 6.33 & 7.35 & 9.13 \\
12.0 & 0.676 & 4.85 & 0.304 & 1.96 & 11.28 & 3.58 & 1.65 & 8.54 & 1.27 & 1.39 & 5.77 & 1.20 & 6.48 & 7.28 & 9.20 \\
\hline
\end{tabular}
\end{table}