TCA: Chemistry: C'sOnline version The C's in table of elements by Elvira Trevino 1 112: Copernicium: 285 2 58: Cerium: 140.12 3 55: Caesium: 132.91 4 48: Cadmium: 112.41 5 98: Californium: 251 6 96: Curium: 247 7 6: Carbon: 12.011 8 17: Chlorine: 35.543 9 29: Copper: 63.546 10 27: Cobalt: 58.933 11 24: Chromium: 51.996 12 20: Calcium: 40.078