ChemistryWiki | RecentChanges | Preferences
Δ should be the HTML code for delta.
° should be the HTML code for degree sign. For example, °C is degreeC.
( ) is used as a space in a line (each one is one space).
ξ is the symbol for electrical potential (in V )
⇔ closest symbol could find to reversible reaction sign.
Good websites for HTML code for Funky Symbols.