Equations

Equations

1. Period 3 Elements

   • Reactions with Water
     • 2 Na(s) + 2 H2O(l) --> 2 NaOH(aq) + H2(g)
     • Mg(s) + 2 H2O(l) --> Mg(OH)2 (aq) + H2(g)
       • Mg(s) + H2O(g) --> MgO(s) + H2(g)
   • Reactions with Oxygen
     • 2Na(s) + 0.5O2(g) --> Na2O(s)
     • Mg(s) + 0.5O2(g) --> MgO(s)
     • 2Al(s) + 1.5O2(g) --> Al2O3(s)
     • Si(s) +O2 --> SiO2 (s)
     • P4(s) + 5O2(g) --> P4O10(s)
     • S(s) + O2(g) --> SO2(g)
   • Oxides with Water
     • Ionic Oxides
       • Na2O(s) + H20(l) --> 2NaOH (aq)
       • MgO(s) + H2O(l) --> Mg(OH)2 (aq)
     • Simple Covalent Oxides
       • P4O10(s) + 6H2O(l) --> 4H3PO4 (aq)
       • SO2(s) + H20(l) --> H2SO3(aq)
       • SO3(s) + H2O(l) --> H2SO4 (aq)
   • Acid + Base --> Salt + Water
     • Basic Oxides neutralising acids:
       • Na2O(s) + HCl -->