5. Chemistry Isotope equationsο
See: https://mirror.cse.unsw.edu.au/pub/CTAN/macros/latex/contrib/mhchem/mhchem.pdf
The mhchem package makes it easy to write balanced equations involving radioactive decay.
1\documentclass[border=5mm]{standalone}
2\usepackage[version=4]{mhchem}
3\begin{document}
4\begin{minipage}{\textwidth}
5
6\section*{Examples of isotope equations involving \\alpha decay, beta decay, and gamma radiation}
7
8\begin{enumerate}
9 \item Alpha decay: \ce{^{237}_{93}Np -> ^{233}_{91}Pa + ^{4}_{2}He}
10 \item Alpha decay: \ce{^{238}_{92}U -> ^{234}_{90}Th + ^{4}_{2}He}
11 \item Alpha decay: \ce{^{235}_{92}U -> ^{231}_{90}Th + ^{4}_{2}He}
12 \item Alpha decay: \ce{^{226}_{88}Ra -> ^{222}_{86}Rn + ^{4}_{2}He}
13 \item Alpha decay: \ce{^{210}_{84}Po -> ^{206}_{82}Pb + ^{4}_{2}He}
14 \item Beta decay: \ce{^{14}_6C -> ^{14}_7N + \beta^- + \bar{\nu}_e}
15 \item Beta decay: \ce{^{210}_{82}Pb -> ^{210}_{83}Bi + \beta^- + \bar{\nu}_e}
16 \item Beta decay: \ce{^{3}_1H -> ^{3}_2He + \beta^- + \bar{\nu}_e}
17 \item Beta decay: \ce{^{234}_{90}Th -> ^{234}_{91}Pa + \beta^- + \bar{\nu}_e}
18 \item Beta decay: \ce{^{131}_{53}I -> ^{131}_{54}Xe + \beta^- + \bar{\nu}_e}
19 \item Positron decay: \ce{^{11}_6C -> ^{11}_5B + \beta^+ + \nu_e}
20 \item Positron decay: \ce{^{13}_7N -> ^{13}_6C + \beta^+ + \nu_e}
21 \item Positron decay: \ce{^{15}_8O -> ^{15}_7N + \beta^+ + \nu_e}
22 \item Positron decay: \ce{^{18}_9F -> ^{18}_8O + \beta^+ + \nu_e}
23 \item Positron decay: \ce{^{22}_{11}Na -> ^{22}_{10}Ne + \beta^+ + \nu_e}
24 \item Gamma decay: \ce{^{60}_{27}Co -> ^{60}_{27}Co + \gamma}
25 \item Gamma decay: \ce{^{137}_{55}Cs -> ^{137}_{55}Cs + \gamma}
26 \item Gamma decay: \ce{^{131}_{53}I -> ^{131}_{53}I + \gamma}
27 \item Gamma decay: \ce{^{226}_{88}Ra -> ^{226}_{88}Ra + \gamma}
28 \item Gamma decay: \ce{^{234}_{90}Th -> ^{234}_{90}Th + \gamma}
29\end {enumerate}
30\end {minipage}
31\end {document}
1\documentclass[border=5mm]{standalone}
2\usepackage[version=4]{mhchem}
3\usepackage{xcolor} % Required for textcolor
4\begin{document}
5\begin{minipage}{\textwidth}
6
7\section*{Examples of isotope equations involving \\alpha decay, beta decay, positron decay, and gamma radiation}
8
9\begin{enumerate}
10 \item Alpha decay: \ce{^{237}_{93}Np -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Pa + ^{4}_{2}He}
11 \item Alpha decay: \ce{^{238}_{92}U -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Th + ^{4}_{2}He}
12 \item Alpha decay: \ce{^{235}_{92}U -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Th + ^{4}_{2}He}
13 \item Alpha decay: \ce{^{226}_{88}Ra -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Rn + ^{4}_{2}He}
14 \item Alpha decay: \ce{^{210}_{84}Po -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Pb + ^{4}_{2}He}
15 \item Beta decay: \ce{^{14}_6C -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}N + \beta^- + \bar{\nu}_e}
16 \item Beta decay: \ce{^{210}_{82}Pb -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Bi + \beta^- + \bar{\nu}_e}
17 \item Beta decay: \ce{^{3}_1H -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}He + \beta^- + \bar{\nu}_e}
18 \item Beta decay: \ce{^{234}_{90}Th -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Pa + \beta^- + \bar{\nu}_e}
19 \item Beta decay: \ce{^{131}_{53}I -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Xe + \beta^- + \bar{\nu}_e}
20 \item Positron decay: \ce{^{11}_6C -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}B + \beta^+ + \nu_e}
21 \item Positron decay: \ce{^{13}_7N -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}C + \beta^+ + \nu_e}
22 \item Positron decay: \ce{^{15}_8O -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}N + \beta^+ + \nu_e}
23 \item Positron decay: \ce{^{18}_9F -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}O + \beta^+ + \nu_e}
24 \item Positron decay: \ce{^{22}_{11}Na -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Ne + \beta^+ + \nu_e}
25 \item Gamma decay: \ce{^{60}_{27}Co -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Co + \gamma}
26 \item Gamma decay: \ce{^{137}_{55}Cs -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Cs + \gamma}
27 \item Gamma decay: \ce{^{131}_{53}I -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}I + \gamma}
28 \item Gamma decay: \ce{^{226}_{88}Ra -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Ra + \gamma}
29 \item Gamma decay: \ce{^{234}_{90}Th -> ^{\color{lightgray}\dots}_{\color{lightgray}\dots}Th + \gamma}
30\end{enumerate}
31
32\end{minipage}
33\end{document}