in chemistry, it would signify some kind of hydrogen/carbon bond
eg: Methane - CH4
$CH or CH$
Ch can stand for channel as in television channel.
CH is the international badge for Switzerland, or Helvetia.
No separate symbol, just the abbreviation "ch".
Switzerland
Chromium is denoted by the symbol Cr. It is a chemical element with atomic number 24.
Evanescence has never stated what their symbol stand for.
It is country domain, like "us" is for United States, "CH" is for Switzerland
I is the chemical symbol for iodine.
I bet it means channel
Danzig helvetia
I is the chemical symbol for iodine.