Ethanol Europium Uranium Erbium
Ethanol Europium Ether Erbium
Cadmium Curium Carbon Cobalt
Francium Copper Fluorine Fluoride
Americium Aluminium Actinium Gold
Antimony Gold Dysprosium Silver
Caesium Cerium Chromium Copper
Francium Fluorine Fluoride Silver
Curium Cerium Caesium Chromium
Copper Cerium Caesium Curium