\Part[
    \eng{Chemie}
    \ger{Chemie}
]{ch}
    \Section[
        \eng{Periodic table}
        \ger{Periodensystem}
    ]{ptable}
        \drawPeriodicTable

    \Section[
        \eng{stuff}
        \ger{stuff}
    ]{stuff}
        \begin{formula}{covalent_bond}
            \desc{Covalent bond}{}{}
            \desc[german]{Kolvalente Bindung}{}{}
            \ttxt{
                \eng{Bonds that involve sharing of electrons to form electron pairs between atoms.}
                \ger{Bindungen zwischen Atomen die durch geteilte Elektronen, welche Elektronenpaare bilden, gebildet werden.}
            }
        \end{formula}

