\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{{[}deleted{]}}
\pdfinfo{
  /Title (chem-231-midterm-1.pdf)
  /Creator (Cheatography)
  /Author ({[}deleted{]})
  /Subject (Chem 231 Midterm 1 Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{FFA408}
\definecolor{LightBackground}{HTML}{FFF9EF}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Chem 231 Midterm 1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{{[}deleted{]}} via \textcolor{DarkBackground}{\uline{cheatography.com/44610/cs/13172/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}{[}deleted{]} \\
  \uline{cheatography.com/deleted-44610} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 20th October, 2017.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{2 cm} x{6 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Formulas}}  \tn
% Row 0
\SetRowColor{LightBackground}
Formal Charge & FC = electrons around nuclei - (electrons in lone pairs + 1/2 electrons in bonding pairs) \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Resonance Structure Rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{All resonance structures must have same valence electrons} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Octet rule must be obeyed} \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Nuclei Positions do not change} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.444 cm} x{3.8 cm} x{2.356 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Functional Groups}}  \tn
% Row 0
\SetRowColor{LightBackground}
Alkane & Single Bond & Ethane \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Alkene & Double Bond & Ethene \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Alkyne & Triple Bond & Ethyne \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{Aromatic} & Aromatic ring (3 single bonds, 3 double bonds) & Benzene \tn 
% Row Count 6 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{Haloalkane} & Halogen (atom with 3 lone pairs) & \seqsplit{Chloro/Bromo/etc} + ethane \tn 
% Row Count 9 (+ 3)
% Row 5
\SetRowColor{white}
\seqsplit{Alcohol} & OH on it's own & Ethanol \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Phenol & Aromatic Ring + OH & Phenol \tn 
% Row Count 11 (+ 1)
% Row 7
\SetRowColor{white}
Ether & O in the middle of a chain & \seqsplit{Methoxymethane} \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Amine & N on it's own & Methanamine \tn 
% Row Count 14 (+ 1)
% Row 9
\SetRowColor{white}
\seqsplit{Aldehyde} & Double bonded O on the end with an H & Ethanal \tn 
% Row Count 16 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Ketone & Double bonded O on it's own & Propanone \tn 
% Row Count 18 (+ 2)
% Row 11
\SetRowColor{white}
\seqsplit{Carboxylic} Acid & Double bonded O with an OH at the end of a chain & Ethanoic acid \tn 
% Row Count 21 (+ 3)
% Row 12
\SetRowColor{LightBackground}
Ester & Double bonded O with an O in the chain & Methyl ethanoate \tn 
% Row Count 23 (+ 2)
% Row 13
\SetRowColor{white}
Amide & Double bonded O with an N & Ethanamide \tn 
% Row Count 25 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\seqsplit{Nitrile} & C triple bonded with N & \seqsplit{Ethanenitrile} \tn 
% Row Count 27 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.84 cm} x{6.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Naming Chain Fragment}}  \tn
% Row 0
\SetRowColor{LightBackground}
Primary & One x attached \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{Secondary} & Two xs attached \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Tertiary & Three xs attached \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Iso\_\_\_ & CH3-CH (functional group)-CH3 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Sec\_\_\_ & CH3-CH (functional group)-CH2-CH3 \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
Tert\_\_\_ & CH3-CH (CH3)(functional group)-CH3 \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
1 Carbon & meth(ane/yl) \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
2 Carbons & eth() \tn 
% Row Count 10 (+ 1)
% Row 8
\SetRowColor{LightBackground}
3 Carbons & prop() \tn 
% Row Count 11 (+ 1)
% Row 9
\SetRowColor{white}
4 Carbons & but() \tn 
% Row Count 12 (+ 1)
% Row 10
\SetRowColor{LightBackground}
5 Carbons & pent() \tn 
% Row Count 13 (+ 1)
% Row 11
\SetRowColor{white}
6 Carbons & hex() \tn 
% Row Count 14 (+ 1)
% Row 12
\SetRowColor{LightBackground}
7 Carbons & hept() \tn 
% Row Count 15 (+ 1)
% Row 13
\SetRowColor{white}
8 Carbons & oct() \tn 
% Row Count 16 (+ 1)
% Row 14
\SetRowColor{LightBackground}
9 Carbons & non() \tn 
% Row Count 17 (+ 1)
% Row 15
\SetRowColor{white}
10 Carbons & dec() \tn 
% Row Count 19 (+ 2)
% Row 16
\SetRowColor{LightBackground}
Radicals & All carbons and hydrogens \tn 
% Row Count 20 (+ 1)
% Row 17
\SetRowColor{white}
\seqsplit{Carbocations} & R groups and hydrogens bonded to a carbon \tn 
% Row Count 22 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
pKa & As pKa Decreases Acidity Increases, as pKa increases Basicity decreases. \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\% S character & Higher s character means electrons are closer to nucleus, therefore energy for acidity is lower \tn 
% Row Count 9 (+ 5)
% Row 2
\SetRowColor{LightBackground}
Radical Selectivity (Faster to slower formation) & Tertiary \textgreater{} Secondary \textgreater{} Primary \textgreater{} Methyl \tn 
% Row Count 12 (+ 3)
% Row 3
\SetRowColor{white}
Carbocations Selectivity (Faster to slower formation) & Tertiary \textgreater{} Secondary \textgreater{} Primary \textgreater{} Methyl \tn 
% Row Count 15 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{IUPAC Nomenclature Rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Identify longest chain of Carbons - Determines Parent name} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{IF there are a couple of possible chains of equal length, choose chain with MORE substituents - avoids complex substituents} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Number chain so that the substituents have the smallest possible number} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{8.4cm}}{Place substitute names in alphabetical order (ignore all prefixes EXCEPT iso and cyclo)} \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{No spaces! only hyphens and commas} \tn 
% Row Count 10 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Bicyclic Compounds}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{Start numbering at bridgehead - go around longest/biggest bridge first} \tn 
% Row Count 2 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}