Boron Bromine Barium Bismuth
Copper Cobalt Cerium Chromium
Caesium Chlorine Cobalt Curium
Carbon Chlorine Cerium Calcium
Boron Bismuth Berkelium Beryllium
Copper Cadmium Cobalt Californium
Bismuth Chlorine Berkelium Copper
Calcium Caesium Cadmium Carbon
Cobalt Caesium Coper Carbon
Cerium Copper Chromium Curium