Periodic table letter C and H

• H


  Hydrogen
• He


  helium
• Hg


  mercury
• C


  Carbon
• CI


  chlorine
• Ca


  calcium
• Cr


  Chronium
• Co


  Cobalt
• Cu


  Copper
• Cd


  Cadmium
• Cs


  Caesium
• Ce


  Cerium