Chapter 3 : Molecules, Compounds and Chemical Equations

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Acid Formulas from Names•when name ends in acid, formulas starts with H•write formulas as if ionic, even though it is molecular•hydro prefix means it is binary acid, noprefix means it is an oxyacid•for oxyacid, if ending is –ic, polyatomic ion endsin –ate; if ending is –ous, polyatomic ion ends in–ousMolecular Compounds
Formula Mass and the Mole ConceptFormula mass – the mass of a formula unit in atomicmass units. Applies to molecular and ionic compounds•also known as molecular mass or molecular weightThe Mole Concept
Page 1 and 2: Chapter 3 : Molecules, Compounds an
Page 3 and 4: Chemical Bonds•compounds are made
Page 5 and 6: Chemical FormulasChemical Formula -
Page 7 and 8: Example Ethylene Glycol (1,2 - etha
Page 9 and 10: Molecular ElementsElements and Comp
Page 11 and 12: Ionic Compounds and their Formulas
Page 13: Ionic Compounds : Formulas• compo
Page 16 and 17: Naming Ionic Compounds1 st Make sur
Page 18 and 19: Metals whose ions can havemore than
Page 20 and 21: Polyatomic AnionsPolyatomic ions co
Page 22 and 23: Polyatomic Ions and Oxyanions-Seldo
Page 24 and 25: Hydrates• hydrates are ionic comp
Page 26 and 27: Number Greek Prefix1 Mono2 Di3 Tri4
Page 28 and 29: ExamplesHF (aq)HCl (aq)HBr (aq)HI (
Page 32 and 33: One Mole of a compound - contains 6
Page 34 and 35: a) How many moles of ethylene glyco
Page 36 and 37: Percent CompositionChemical formula
Page 38 and 39: Percent CompositionChemical formula
Page 40 and 41: Combustion AnalysisHow percent comp
Page 42 and 43: Chemical Reactions•Reactions invo
Page 44 and 45: • methane gas burns to produce ca
Page 46 and 47: Solid cobalt (III) oxide reacts wit
Page 48 and 49: Example QuestionsName the following
Page 50: What is the correct formula for Iro

Chapter 3 : Molecules, Compounds and Chemical Equations

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