EOC

3.5 Define and apply the terms to Molecular and Ionic compounds  Molecular (if they dissolve…) o Strong electrolyte Dissolve & 100% Dissociate Strong electrolyte o Weak electrolyte Dissolve & <100% Dissociate Weak electrolyte o Nonelectrolyte Dissolve & None Dissociate Nonelectrolyte  Ionic - Dissolve = Dissociate in water 100 soluble & slightly soluble Strong & Weak Acids Just about everything Else, i.e sugar, alcohols

General Form of a Double Displacement Rxn PPT Rxns are examples of a Double Displacement Rxns

Strong AcidWeak AcidStrong BaseWeak Base

EOC General Form of a Double Displacement Rxn Acid/Base Rxns are examples of Double Displacement Rxns

General Form of a Double Displacement Rxn Apply Double Displacement to gas forming rxns (with caution)

1). Oxidation state of an element = 0 (i.e., Li, F 2, H 2, C) 2). Oxidation state a monatomic ion = ionic charge (Na + = +1, Mg 2+ = +2) 3). Oxidation state of O = -2 in all its compounds except: (a) Peroxides e.g. Na-O-O-Na, where ox. # = -1 (b) Superoxides, e.g. KO 2 where ox. # = -1/2 4). H is +1 in all its compounds (except metal hydrides ox.# = -1) 5). F is - 1 in all its compounds 6). Alkali metals are always +1; alkaline earth metals are always +2. 7). Sum of oxidation states is zero for neutral compounds, and equal to the overall charge for polyatomic ions. Guidelines for Assigning Oxidation Numbers