Chemical Elements and Symbols This is a brief pre-course quiz on the symbols for key chemical elements to test your present knowledge. jwesq published on March 21, 2011 Stacked 1/5 The symbol for Chlorine is Cl True False 2/5 Pb is the symbol for silver. True False 3/5 The common name for this chemical symbol AG is: Aguilar Argentum 4/5 A chemical element can have only one symbol, but more than one name. True False 5/5 The symbol H is for the lightest element called hydronium. True False