\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{resaraj}
\pdfinfo{
  /Title (the-periodic-table.pdf)
  /Creator (Cheatography)
  /Author (resaraj)
  /Subject (The periodic table 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}{E05046}
\definecolor{LightBackground}{HTML}{FDF4F3}
\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{The periodic table Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{resaraj} via \textcolor{DarkBackground}{\uline{cheatography.com/209482/cs/45151/}}}
\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}resaraj \\
  \uline{cheatography.com/resaraj} \\
  \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 29th November, 2024.\\
   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{3.76 cm} x{4.24 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{The modern periodic table}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Alkaline (ns$^{\textrm{1}}$)}} & lose 1 e⁻ \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & valence 1+⟶Noble gas configuration \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{Alkaline earth (ns)}} & lose 2 e⁻ \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
 & valence 2+⟶Noble gas configuration \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{Group 13(ns np)}} & light elements lose 3 e⁻ \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
 & heavy elements lose 3 e⁻ \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
{\bf{Group 15/ Nitrogen group (ns np)}} & gain 3 e⁻ \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
 & valence 3- (more important for light elements) \tn 
% Row Count 17 (+ 3)
% Row 8
\SetRowColor{LightBackground}
{\bf{Group 16/ Oxygen group (ns np)}} & gain 2 e⁻ \tn 
% Row Count 19 (+ 2)
% Row 9
\SetRowColor{white}
 & valence 2-⟶Noble gas configuration \tn 
% Row Count 21 (+ 2)
% Row 10
\SetRowColor{LightBackground}
{\bf{Group 17/ Halogens (ns np)}} & gain 1 e⁻ \tn 
% Row Count 23 (+ 2)
% Row 11
\SetRowColor{white}
 & valence 1-⟶Noble gas configuration \tn 
% Row Count 25 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.92 cm} x{4.08 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Atomic radii and ionic radii}}  \tn
% Row 0
\SetRowColor{LightBackground}
In a group it increases with Z & In a period it decreases with Z \tn 
% Row Count 2 (+ 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}{Ionization energy}}  \tn
% Row 0
\SetRowColor{LightBackground}
realated with the metallic character: higher IE, easier to eject an e⁻, higher metallic character & IE depends on electron-nucleus attraction \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
In a group it increases from bottom to top (from bigger to smaller radius)) & In a period it increases from left to right (when Zeff increases) \tn 
% Row Count 9 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Quantity of energy a gaseous atom must absorb to be able to expel an electron}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{2.72 cm} x{5.28 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Magnetic properties}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Diamagnetic atom}} & all e⁻ are paired and the individual magnetic effects cancel out \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
{\bf{Paramagnetic atom}} & has unpaired e⁻, the individual magnetic effects don't cancel out. These unpaired e⁻ posses a magnetic moment that causes the atom to be attracted to an external magnetic field \tn 
% Row Count 10 (+ 7)
\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}{Sizes of atoms and ions}}  \tn
% Row 0
\SetRowColor{LightBackground}
Atomis radius is hard to define, effective charge density is extended to infinity, but the {\emph{effective atomic radius is where there is  a 95\% of the electron charge density}} & Atomis radius depends on the  size of the electron cloud: from different shells it depends on the value of n, for a given shell it depends on the Zeff \tn 
% Row Count 9 (+ 9)
% Row 1
\SetRowColor{white}
{\bf{Penetration}}:how close an electron gets to the nucelus & s e⁻\textgreater{}p e⁻\textgreater{}d e⁻     (in order of penetration ability) \tn 
% Row Count 12 (+ 3)
% Row 2
\SetRowColor{LightBackground}
{\bf{Screening}}: how an outer e⁻ is blocked from the nuclear charge by inner e⁻ & Zeff=Z-σ \tn 
% Row Count 17 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{p{0.8 cm} x{7.2 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Slatter rules}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{considered e⁻ in an {\emph{ns}} or {\emph{np}} orbital} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
 & ⦁all e⁻ in ns and np orbitals with the same value of n contribute with σ=0,35 (for n=1, σ=0,30) \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
 & ⦁all e⁻ in orbitals with n\textasciitilde{}i\textasciitilde{}=n\textasciitilde{}s,p\textasciitilde{}-1 contribute with σ=0,85 \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
 & ⦁all e⁻ in orbitals with n\textasciitilde{}i\textasciitilde{}=n\textasciitilde{}s,p\textasciitilde{}-2 or lower contribute with σ=1 \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{considered e⁻ in an {\emph{nd}} or {\emph{nf}} orbital} \tn 
% Row Count 9 (+ 1)
% Row 5
\SetRowColor{white}
 & ⦁all e⁻ in same nd and nf orbitals contribute with σ=0,35 \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
 & ⦁all the rest of e⁻ (n\textasciitilde{}i\textasciitilde{}≤n\textasciitilde{}d,f\textasciitilde{}) contribute with σ=0,35 \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Amount of nuclear charge felt by an e⁻ depends on its  orbital and on the number of e⁻ inbetween itself and the nucleus}  \tn 
\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}{Electron Affinity}}  \tn
% Row 0
\SetRowColor{LightBackground}
Related with the non-metallic character & the larger EA abs. value, the easier it is to gain an electron, the less metallic the element id \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
In a period, increases from left to right (as Zeff) & In a group, increases from bottom to top \tn 
% Row Count 8 (+ 3)
% Row 2
\SetRowColor{LightBackground}
*large number of anomalies & B.,N,O,F \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Energy change that occurs when an atom in the gas phase gains an electron}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}