%%
%% A DANTE-Edition example
%%
%% Beispiel 06-00-7 auf Seite 182.
%%
%% Copyright (C) 2010 H. Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See
http://www.latex-project.org/lppl.txt for details.
%%
%%Run also: >> <<
% Show page(s) 1
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{355.65944pt}
\setlength\parindent{0pt}
\usepackage[utf8]{inputenc}
\usepackage{pst-node}\SpecialCoor
\begin{document}
\setlength\tabcolsep{2mm}
\begin{tabular}{*{8}{p{4mm}}}
H & & & & &\rnode{A}{~~}&& He\\ Li & Be & B & C & N & O & F & Ne\\
Na & Mg & Al & Si & P & S & Cl & Ar\\
\rnode{B}{K}& Ca & Ga & Ge & As & Se & Br & \rnode{b}{Kr}\\
Rb & Sr & In & Sn & Sb & Te & I & Xe\\ Cs & Ba & Tl & Pb & Bi & Po & At & Rn\\
Fr & Ra & 112& & 114 & \rnode{a}{~~} &&
\end{tabular}
\psset{linecolor=red,linewidth=1.5pt,nodesep=-1em}\pcline(A)(a)\pcline(B)(b)
\end{document}
