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• Sulfate


  A type of anion with the chemical formula SO4 2-, formed when a Sulfur atom is bonded to four Oxygen atoms.
• Hydroxide 


  Hydroxide is an anion. It is formed when you have one oxygen atom and one hydrogen atom.
• Hydrogen 


  Hydrogen is a cation. It is formed when you have one hydrogen atom.
• Ammonium 


  Ammonium is a cation. It is formed when you have one nitrogen atom and four hydrogen atoms.
• Carbonate 


  Carbonate is an anion. It is formed when you have one carbon atom and three oxygen atoms.
• Nitrate 


  Nitrate is an anion. It is formed when you have one nitrogen atom and three oxygen atoms.
• Sulfate 


  Sulfate is an anion. It is formed when you have one sulfur atom and four oxygen atoms.
• Silver 


  Silver is a cation. It is formed when you have one silver atom.
• Copper 


  Copper is a cation. It is formed when you have one copper atom.
• Iron (II) 


  Iron (II) is a cation. It is formed when you have one iron atom and two electrons.
• Iron (III) 


  Iron (III) is a cation. It is formed when you have one iron atom and three electrons.
• Lead (II) 


  Lead (II) is a cation. It is formed when you have one lead atom and two electrons.
• Zinc 


  Zinc is a cation. It is formed when you have one zinc atom.
• Cation


  Cation is positively charged ion. It has more protons than electrons.
• Anion


  Anion is negatively charged ion. It has more electrons than protons.