An easy example is that of CFC-12, which gives: 90+12=102 -> 1 carbon, 0 hydrogens, 2 fluorine atoms, and hence 2 chlorine atoms resulting in CCl2F2.
Contoh mudah adalah CFC-12, yang memberi: 90 + 12 = 102 -> 1 karbon, 0 hidrogen, 2 atom fluorin, dan karenanya 2 atom klorin menghasilkan CCl2F2.