An Allegory is used to tell a story that has characters, a setting, as well as other types of symbols, that have both literal and figurative meanings.
Chlorine is counted among this group along with hydrogen (H 2), iodine (I 2), bromine (Br 2), oxygen (O 2), nitrogen (N 2) and fluorine (Fl 2). With seven electrons in its outermost orbit--one electron short of a stable eight-- the element chlorine exists in nature as a diatomic molecule. This arrangement allows two chlorine atoms to share their outermost orbit electrons, achieving stability, compared to the single atom.
There are 14 different oxides of chlorine, such as chlorine trioxide, ClO3, with an O S of + 6, and dichlorine heptoxide, Cl2O7, with on O S of + 7. There are also many Cl/ O ions, such as the perchloryl ion, ClO3+, O S + 7.