http://1-formula.com/chemical-formulas/empirical-formula.html Chemical formula indicates actual number of atoms of the elements. en-us Sat, 19 Jul 2008 18:27:22 GMT Sun, 1 Mar 2009 20:02:00 GMT www.1-formula.com www.1-formula.com http://1-formula.com/chemical-formulas/empirical-formula/empirical-molecular-formula.html In chemistry, the empirical formula of chemical ingredient is a ordinary aspect of the relative number of each type of atom in it. Sun, 1 Mar 2009 20:02:00 GMT http://1-formula.com/chemical-formulas/empirical-formula/empirical-molecular-formula.html