fkI9r1

Written on June 24, 2019
% Dans le préambule
% -----------------
\documentclass[10pt,a4paper]{book}
\usepackage[french]{babel}
% -----------------

\begin{document}
\chapter{Chimie}
\section{Ions}

bla bla \newpage
bla bla \newpage
bla bla
\end{document}