We are going to talk about many different elements. Instead of using their full names, like Carbon, Oxygen, etc, it is easier to use their symbols.

Symbols are like short-forms for elements. Often, they are the first few letters of the name of the chemical. Obviously, the symbol is unique. So, two different elements cannot have the same symbol.
The symbols of a few elements are shown in the table alongside. What is Chlorine's symbol?
  • C
  • Cl
  • Ch
  • Chl