1. Decomposition Reactions
1. Metal carbonates produce metal oxides and CO2.
OH-1
O-2
2. Metal hydroxides produce metal oxides and water.
ClO3-1
Cl-1
3. Metal chlorates produce metal chlorides and O2.

2. CaCO3 - CO2 CaO CaCO3 a CaO + CO2
1. Metal carbonates produce metal oxides and CO2.
Example:
CaCO3
- CO2
CaO D
CaCO3 a CaO + CO2

3. O Ca C O CaCO3 CaCO3 a CaO + CO2D
CaCO3 a CaO + CO2
Metal carbonates produce metal oxides and CO2.

4. Mg(OH)2 - H2O MgO Mg(OH)2 a MgO + H2O
2. Metal hydroxides produce metal oxides and H2O
Example:
Mg(OH)2
- H2O
MgO D
Mg(OH)2 a MgO + H2O

5. Mg O H O H Mg(OH)2 Mg(OH)2 a MgO + H2OD
Mg(OH)2 a MgO + H2O
Metal hydroxides produce metal oxides and H2O

6. 3. Metal chlorates produce metal chlorides and O2.
KClO3
a KCl 2
+ O2 3

7. K Cl O O O K Cl O O O KClO3 a KCl KClO3 + O2 2 3D
a KCl
KClO3
+ O2 2 3
Metal chlorates produce metal chlorides and O2.