Formulas

• Zink


  Zn2+
• lead


  Pb2+
• silver


  Ag+
• copper


  Cu2+
• iron (II)


  Fe2+
• iron(III)


  Fe3+
• hydrogen


  H+
• Hydroxide


  OH-
• ammonium


  NH4+
• carbonate


  CO3 2-
• nitrate 


  NO3 -
• sulfate


  SO4 2-