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% Document Info
\author{L\_Wen}
\pdfinfo{
  /Title (h2-chem-chemical-bonding.pdf)
  /Creator (Cheatography)
  /Author (L\_Wen)
  /Subject (H2 Chem Chemical Bonding Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \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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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{H2 Chem Chemical Bonding Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{L\_Wen} via \textcolor{DarkBackground}{\uline{cheatography.com/193987/cs/40409/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}L\_Wen \\
  \uline{cheatography.com/l-wen} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 22nd September, 2023.\\
   Page {\thepage} of \pageref{LastPage}.
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Chemical Bonding}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.224 cm} x{1.656 cm} x{2.16 cm} x{2.16 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Physical Properties}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Melting/} \seqsplit{boiling} point & strength of bonding & amount of energy required to overcome bond & id-id\textless{} pd-pd\textless{} H-bond\textless{} (metallic/ ionic/ covalent) \tn 
% Row Count 5 (+ 5)
% Row 1
\SetRowColor{white}
\seqsplit{Solubility} & \seqsplit{favourable} bonds formed? & bonds formed stronger than bonds broken &  \tn 
% Row Count 9 (+ 4)
% Row 2
\SetRowColor{LightBackground}
 & water + polar =\textgreater{} \seqsplit{ion-dipole} & polar + polar & non-polar + non-polar \tn 
% Row Count 12 (+ 3)
% Row 3
\SetRowColor{white}
\seqsplit{Electrical} \seqsplit{conductivity} & presence of \seqsplit{electrical} carriers & mobile delocalised e\textasciicircum{}-\textasciicircum{} or ions &  \tn 
% Row Count 16 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.224 cm} x{2.016 cm} x{2.016 cm} x{1.944 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Covalent Compounds}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{covalent} bonds & EFoA between shared pair of e\textasciicircum{}-\textasciicircum{} and positively charged nuclei &  &  \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
 & dative covalent & one atom \seqsplit{contributes} both bonding e\textasciicircum{}-\textasciicircum{} &  \tn 
% Row Count 10 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{overlap} or \seqsplit{orbitals} & sigma (σ) bond & head-on overlap & s- and p-orbital \tn 
% Row Count 14 (+ 4)
% Row 3
\SetRowColor{white}
 & pi (π) bond & side-on overlap & \seqsplit{p-orbitals} only \tn 
% Row Count 16 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{Strength} = bond \seqsplit{energy} & no of bonding e\textasciicircum{}-\textasciicircum{} (bond order) & \seqsplit{effectiveness} of orbital overlap & bond polarity (incr ionic \seqsplit{character)} \tn 
% Row Count 20 (+ 4)
% Row 5
\SetRowColor{white}
 & more bonding e\textasciicircum{}-\textasciicircum{} = stronger EFoA & larger orbital = more diffused = less effective overlap & more polar = stronger EFoA \tn 
% Row Count 25 (+ 5)
% Row 6
\SetRowColor{LightBackground}
\seqsplit{simple} \seqsplit{covalent} \seqsplit{structure} & simple discrete molecules &  &  \tn 
% Row Count 30 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{1.224 cm} x{2.016 cm} x{2.016 cm} x{1.944 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Covalent Compounds (cont)}}  \tn
% Row 7
\SetRowColor{LightBackground}
 & id id & non-polar; weak & size of electron cloud; \seqsplit{polarisability} \tn 
% Row Count 4 (+ 4)
% Row 8
\SetRowColor{white}
 & pd pd & polar; stronger than id id & strength of dipole moment \tn 
% Row Count 7 (+ 3)
% Row 9
\SetRowColor{LightBackground}
 & H bond & H bonded to NOF + lone pair of electrons on NOF & optimal ratio of H:e- (1:1) \tn 
% Row Count 12 (+ 5)
% Row 10
\SetRowColor{white}
\mymulticolumn{4}{x{8.4cm}}{giant covalent structure:} \tn 
% Row Count 13 (+ 1)
% Row 11
\SetRowColor{LightBackground}
\seqsplit{diamond} & each C bonded to 4 other C atoms & giant covalent lattice &  \tn 
% Row Count 16 (+ 3)
% Row 12
\SetRowColor{white}
\seqsplit{graphite} & each C bonded to 3 other C atoms & giant extensive planar layers & weak id id between layers \tn 
% Row Count 19 (+ 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}{Molecular Shape and Arrangement}}  \tn
% Row 0
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\mymulticolumn{1}{x{8.4cm}}{Valence shell electron repulsion theory} \tn 
% Row Count 1 (+ 1)
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\mymulticolumn{1}{x{8.4cm}}{Conditions} \tn 
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\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 2 (+ 0)
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\mymulticolumn{1}{x{8.4cm}}{} \tn 
% Row Count 2 (+ 0)
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\mymulticolumn{1}{x{8.4cm}}{No of e\textasciicircum{}-\textasciicircum{} pairs} \tn 
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\begin{tabularx}{8.4cm}{x{3.268 cm} x{2.432 cm} x{1.9 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Electronegativity}}  \tn
% Row 0
\SetRowColor{LightBackground}
tendency of an atom to pull electrons towards itself & nuclear charge & stronger = greater pull \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
 & distance of e\textasciicircum{}-\textasciicircum{} from nucleus & further = weaker pull \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
trend & down group & decrease \tn 
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\SetRowColor{white}
 & across period & increase \tn 
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\hhline{>{\arrayrulecolor{DarkBackground}}---}
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\begin{tabularx}{8.4cm}{x{1.444 cm} x{3.116 cm} x{3.04 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{8.4cm}}{\bf\textcolor{white}{Ionic compounds}}  \tn
% Row 0
\SetRowColor{LightBackground}
Ionic bond & IMFOA between oppositely charge ions &  \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{structure} & giant ionic lattice structure &  \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{strength} & lattice energy & (product of charges)/(sum of ionic radius) \tn 
% Row Count 8 (+ 3)
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\SetRowColor{white}
\seqsplit{coordination} number & number of opp-charged ions surrounding central ion & ligand size increase, coordination number decrease \tn 
% Row Count 12 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
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\begin{tabularx}{8.4cm}{x{1.44 cm} x{1.872 cm} x{1.944 cm} x{1.944 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{IONIC vs COVALENT CHARACTER}}  \tn
% Row 0
\SetRowColor{LightBackground}
Pure \seqsplit{covalent} & Approx equal \seqsplit{electroneg} & no \seqsplit{distortion} of electron cloud &  \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\seqsplit{Covalent} with ionic \seqsplit{character} & atoms with \seqsplit{electroneg} diff & dipole moment (δ\textasciicircum{}+\textasciicircum{}, δ\textasciicircum{}-\textasciicircum{}) & incr \seqsplit{electroneg} diff = incr dipole \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Ionic with \seqsplit{covalent} \seqsplit{character} & \seqsplit{polarisation} distorts anion e\textasciicircum{}-\textasciicircum{} cloud & stronger \seqsplit{polarising} power of cation (charge density) & = increase \seqsplit{distortion} = increase covalent character \tn 
% Row Count 14 (+ 6)
% Row 3
\SetRowColor{white}
 & some form of e\textasciicircum{}-\textasciicircum{} sharing & larger e\textasciicircum{}-\textasciicircum{} cloud = incr \seqsplit{polarisability} & = increase \seqsplit{distortion} = increase covalent character \tn 
% Row Count 20 (+ 6)
% Row 4
\SetRowColor{LightBackground}
Pure ionic \seqsplit{character} & complete transfer of e\textasciicircum{}-\textasciicircum{} & e\textasciicircum{}-\textasciicircum{} cloud remains intact and spherical &  \tn 
% Row Count 24 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.368 cm} x{2.16 cm} x{2.16 cm} x{1.512 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Metallic compounds}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Metallic} bond & EFoA between metallic cations and sea of delocalised, mobile e\textasciicircum{}-\textasciicircum{} &  &  \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
 & in giant metallic lattice structure &  &  \tn 
% Row Count 9 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Factors} \seqsplit{affecting} \seqsplit{strength} & Charge density & No of e\textasciicircum{}-\textasciicircum{} delocalised per atom &  \tn 
% Row Count 13 (+ 4)
% Row 3
\SetRowColor{white}
Unique \seqsplit{physical} \seqsplit{properties} & Malleable (beat into sheets) & Ductile (drawn into wire) & orderly \seqsplit{arrangement} of cation \tn 
% Row Count 17 (+ 4)
% Row 4
\SetRowColor{LightBackground}
 & Alloy formation & non-metal atoms disrupts orderly arrangement & tensile \seqsplit{strength} \seqsplit{increase} \tn 
% Row Count 21 (+ 4)
% Row 5
\SetRowColor{white}
 & \seqsplit{Reflectivity} & Delocalised e\textasciicircum{}-\textasciicircum{} absorb light and excited & \seqsplit{promoted} to higher level \tn 
% Row Count 25 (+ 4)
% Row 6
\SetRowColor{LightBackground}
 &  & \seqsplit{De-excitation} =\textgreater{} release E & =\textgreater{} light \tn 
% Row Count 28 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{1.8 cm} x{1.8 cm} x{1.8 cm} x{1.8 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{8.4cm}}{\bf\textcolor{white}{Special Cases}}  \tn
% Row 0
\SetRowColor{LightBackground}
Anomalous Mr of organic acid in gaseous \seqsplit{phase/benzene} solvent & Apparent Mr twice of anomalous Mr & \seqsplit{dimerisation} & either achieve octet, or due to \seqsplit{favourable} bonds formed (release E) \tn 
% Row Count 7 (+ 7)
% Row 1
\SetRowColor{white}
Different physical \seqsplit{properties} of \seqsplit{structural} isomers & 1,2-nitrophenol has lower BP than 1,4-nitrophenol & 1,2-nitrophenol has {\bf{intramolecular}} H-bond & less extensive {\bf{inter-molecular}} H bond \tn 
% Row Count 13 (+ 6)
% Row 2
\SetRowColor{LightBackground}
Bp of HI\textgreater{} HBr\textgreater{}HCl & incr in id-id down group & decrease dipole moment down group & incr id-id more \seqsplit{significant} \tn 
% Row Count 17 (+ 4)
% Row 3
\SetRowColor{white}
Density of water \textgreater{} ice & ice - hexagonal \seqsplit{arrangement} of water & large amount of empty spaces &  \tn 
% Row Count 21 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}