\documentclass[10pt,a4paper]{article}

% Packages
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\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
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\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{Adrianna}
\pdfinfo{
  /Title (10th-grade-radiation.pdf)
  /Creator (Cheatography)
  /Author (Adrianna)
  /Subject (10th grade radiation Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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\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
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% Font and Colours
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\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}}
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\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{10th grade radiation Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Adrianna} via \textcolor{DarkBackground}{\uline{cheatography.com/184709/cs/38571/}}}
\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}Adrianna \\
  \uline{cheatography.com/adrianna} \\
  \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 6th May, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \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*}{3}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Electromagnetic radiation}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Electromagnetic} radiation & waves created by vibration of electric charge wave = electric a/ magnetic components \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
 & ex. radio, microwaves, light \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
 & ionizing radiation can cause atoms to lose e- a/ become ions - leads to cancer \tn 
% Row Count 10 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.54287 cm} x{3.43413 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Isotopes}}  \tn
% Row 0
\SetRowColor{LightBackground}
Isotope & An element with the same \# protons but different \# neutrons \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
 & \# protons/ atomic number stays the same, \# neutrons atomic mass can change \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Unstable or stable & If the protons and neutrons are mostly balanced then its most likely stable \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
 & can only be off by 1 \tn 
% Row Count 10 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.54747 cm} x{4.42953 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{3 types of radiation}}  \tn
% Row 0
\SetRowColor{LightBackground}
Alpha & Big, slow, larger than beta/ gamma \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & take away 4 from the atomic mass \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
 & take away 2 from the atomic number \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
 & 226 Ra 88 = 222 Rn 86 + 4 x 2 (or 4 He 2) \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Beta & fast, small, can penetrate, not far \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
 & leave atomic mass alone but +1 for the atomic number \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
 & 131 I 53 = 131 Xe 54 + 0 B -1 \tn 
% Row Count 10 (+ 1)
% Row 7
\SetRowColor{white}
Gamma & not a particle, high energy rays (short wavelengths) travels at speed light \tn 
% Row Count 13 (+ 3)
% Row 8
\SetRowColor{LightBackground}
 & leave everything the same \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.8354 cm} x{1.42018 cm} x{0.87717 cm} x{1.04425 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{5.377cm}}{\bf\textcolor{white}{3 types of radiation}}  \tn
% Row 0
\SetRowColor{LightBackground}
Name & Alpha & Beta & Gamma \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Greek letter & x & B & y \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Symbol & 4 x 2 & 0 e -1 & 0 y 0 \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{Composition} & 4 neutrons 2protons & 1 \seqsplit{electron} & energy \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Charge & +2 & -1 & 0 \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
Stopped by & paper, skin, clothing & \seqsplit{Aluminum} foil & something thick \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{5.377cm}}{For the symbols its meant to look like atomic notion first number on the top second number on the bottom.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}----}
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\par\addvspace{1.3em}

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\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{3 types of radiation stopped by}}  \tn
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\mymulticolumn{1}{x{5.377cm}}{Image could not be loaded.} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}


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

\end{document}