Chemistry Section 8
a
1.37
- Ions are formed when an atom loses or gains electrons to make a full outer
shell
- Metals make positive ions (cations)
- Non metals make negative ions (anions)
1.38
- Positive ions:
- Group 1 Metals - 1+
- Group 2 Metals - 2+
- Group 3 Metals - 3+
- Silver - Ag+
- Copper - Cu+
- Iron (II) - Fe2+
- Iron (III) - Fe3+
- Lead - Pb4+
- Zinc - Zn2+
- Hydrogen - H+
- Ammonium - NH4+
- Negative ions:
- Group 5 Metals
- Group 6 Metals
- Group 7 Metals
- Hydroxide - OH-
- Carbonate - CO32-
- Sulfate - SO42-
- Nitrate - NO3-
a
1.37
- Ions are formed when an atom loses or gains electrons to make a full outer
shell
- Metals make positive ions (cations)
- Non metals make negative ions (anions)
1.38
- Positive ions:
- Group 1 Metals - 1+
- Group 2 Metals - 2+
- Group 3 Metals - 3+
- Silver - Ag+
- Copper - Cu+
- Iron (II) - Fe2+
- Iron (III) - Fe3+
- Lead - Pb4+
- Zinc - Zn2+
- Hydrogen - H+
- Ammonium - NH4+
- Negative ions:
- Group 5 Metals
- Group 6 Metals
- Group 7 Metals
- Hydroxide - OH-
- Carbonate - CO32-
- Sulfate - SO42-
- Nitrate - NO3-
