\documentclass[12pt,a4paper]{article}

% Package imports
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{chemfig}
\usepackage{graphicx}
\usepackage{geometry}
\usepackage{hyperref}

% Page layout
\geometry{
    margin=1in
}

% Document information
\title{Chemistry Vocabulary}
\author{}
\date{\today}

\begin{document}

\maketitle

\section{Introduction}

% Add your content here

\end{document}