Practice Problems How many valence electrons are in each of the following molecules O3 C2H6O NO2 Draw a Lewis structure diagram for each.

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Practice Problems How many valence electrons are in each of the following molecules O3 C2H6O NO2 Draw a Lewis structure diagram for each

Resonance Structures

Polyatomic Ions

O22- H3O+ OH- CO32- NH4+ NO2- Practice with Ions http://firstyear.chem.usyd.edu.au/iChem/lewis.shtml

Ionic Compounds

Ionic Compounds

Ionic Compounds

Ionic Compounds

Practice Write Lewis structure equations for the following compounds Lithium chloride Magnesium sulfide Aluminium oxide Calcium carbonate Ammonium bromide Sodium hydroxide

More Practice Write balanced Lewis structure equations for the following reactions Magnesium metal dissolves in hydrochloric acid to yield magnesium chloride and hydrogen gas Calcium carbonate plus hydrochloric acid yields calcium chloride, water, and carbon dioxide Methane combusts with oxygen to yield carbon dioxide and water

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