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Ionic Bonding Chap. 8. I.When an Atom becomes an Ion.

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Presentation on theme: "Ionic Bonding Chap. 8. I.When an Atom becomes an Ion."— Presentation transcript:

1 Ionic Bonding Chap. 8

2 I.When an Atom becomes an Ion

3 A.Why become an ion? I.When an Atom becomes an Ion

4 A.Why become an ion? B.This process is called _____ I.When an Atom becomes an Ion

5 II. Positive Ions

6 A.Electron Config./Orbital Diagram I.When an Atom becomes an Ion II. Positive Ions

7 A.Electron Config./Orbital Diagram B.Bohr’s Model I.When an Atom becomes an Ion II. Positive Ions

8 A.Electron Config./Orbital Diagram B.Bohr’s Model C.Dot Diagrams I.When an Atom becomes an Ion II. Positive Ions

9 A.Electron Config./Orbital Diagram B.Bohr’s Model C.Dot Diagrams D.Equation I.When an Atom becomes an Ion II. Positive Ions

10 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions

11 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions A.Electron Config./Orbital Diagram

12 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions A.Electron Config./Orbital Diagram B.Bohr’s Model

13 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions A.Electron Config./Orbital Diagram B.Bohr’s Model C.Dot Diagrams

14 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions A.Electron Config./Orbital Diagram B.Bohr’s Model C.Dot Diagrams D.Equation

15 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions IV. Charges of Ions

16 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions IV. Charges of Ions A.Monatomic anions

17 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions IV. Charges of Ions A.Monatomic anions B.Monatomic cations

18 I.When an Atom becomes an Ion II. Positive Ions III. Negative Ions IV. Charges of Ions A.Monatomic anions B.Monatomic cations C.Polyatomic ions

19 Polyatomic Ions nitratephosphate hydroxidecyanide carbonatebicarbonate chlorateacetate sulfatebisulfate chromateammonium know your ions

20 V. Ionic Compounds

21 A.Ionic Bond Generally forms between a metal and non-metal V. Ionic Compounds

22 Ionic Bond Electrostatic force that holds ions together.

23 A.Ionic Bond B.Classifying Ionic Compounds V. Ionic Compounds

24 A.Ionic Bond B.Classifying Ionic Compounds 1. oxides Compound made of a metal and oxygen V. Ionic Compounds

25 A.Ionic Bond B.Classifying Ionic Compounds 1. oxides 2. salts An ionic compound formed when an acid reacts with a base V. Ionic Compounds

26 A.Ionic Bond B.Classifying Ionic Compounds C.How they form V. Ionic Compounds

27 A.Ionic Bond B.Classifying Ionic Compounds C.How they form 1. The metal atom loses electron(s) V. Ionic Compounds

28 A.Ionic Bond B.Classifying Ionic Compounds C.How they form 1. The metal atom loses electron(s) 2. The non-metal gains electron(s) V. Ionic Compounds

29 A.Ionic Bond B.Classifying Ionic Compounds C.How they form 1. The metal atom loses electron(s) 2. The non-metal gains electron(s) 3. The ions are attracted V. Ionic Compounds

30 D. Properties V. Ionic Compounds

31 D. Properties 1. Form repeating organized structure V. Ionic Compounds

32 D. Properties 1. Form repeating organized structure 2. High M.P. & B.P. because of strong bonds The stronger the bonds, the _____ the melting point V. Ionic Compounds

33 D. Properties 1. Form repeating organized structure 2. High M.P. & B.P. because of strong bonds 3. Hard and brittle V. Ionic Compounds

34 D. Properties 1. Form repeating organized structure 2. High M.P. & B.P. because of strong bonds 3. Hard and brittle 4. Many dissolve in water V. Ionic Compounds

35 VI. Formulas for Ionic Compounds

36 A.Written for a formula unit. VI. Formulas for Ionic Compounds

37 Formula Unit Simplest ratio of ions

38 A.Written for a formula unit. B.They are always neutral VI. Formulas for Ionic Compounds

39 A.Written for a formula unit. B.They are always neutral C.Predicting charge of ions VI. Formulas for Ionic Compounds

40 Predicting charge of ions 1. for monatomic ions = oxidation #

41 Predicting charge of ions 1. for monatomic ions = oxidation # 2. for transition metals there may be more than one.

42 Predicting charge of ions 1. for monatomic ions = oxidation # 2. for transition metals there may be more than one. 3. for polyatomic ions you must memorize the charge

43 A.Written for a formula unit. B.They are always neutral C.Predicting charge of ions D.Examples VI. Formulas for Ionic Compounds

44 Compounds containing Monatomic ions

45 Potassium and bromine

46 Compounds containing Monatomic ions Potassium and bromine Calcium and oxygen

47 Compounds containing Monatomic ions Potassium and bromine Calcium and oxygen Sodium and sulfur

48 Compounds containing Monatomic ions Potassium and bromine Calcium and oxygen Sodium and sulfur Aluminum and oxygen

49 Compounds containing Polyatomic Ions

50 Calcium nitrate

51 Compounds containing Polyatomic Ions Calcium nitrate Sodium sulfate

52 Compounds containing Polyatomic Ions Calcium nitrate Sodium sulfate Ammonium carbonate

53 Compounds containing Polyatomic Ions Calcium nitrate Sodium sulfate Ammonium carbonate Barium hydroxide

54 VII. Naming Ionic Compounds

55 A.Binary Compounds VII. Naming Ionic Compounds

56 Binary Compounds Compounds made of two elements

57 Naming binary compounds Name the cation (same as element name) Name the anion (ends with –ide)

58 A.Binary Compounds B.Compounds containing Polyatomic ions VII. Naming Ionic Compounds

59 Naming Compounds with Polyatomic ions Name the cation Name the anion Know your polyatomic ions !!!

60 A.Binary Compounds B.Compounds containing Polyatomic ions C.Compounds containing cations with more than one oxidation state (often transition metals) VII. Naming Ionic Compounds

61 Naming Type II Compounds Name the cation. Use a roman numeral to specify oxidation state Name the anion

62 VIII. Metals

63 A.Metallic Bonding VIII. Metals

64 1. they form lattices A.Metallic Bonding VIII. Metals

65 1. they form lattices 2. electrons in one metal overlap electrons in another A.Metallic Bonding VIII. Metals

66 1. they form lattices 2. electrons in one metal overlap electrons in another 3. outer electrons are delocalized (free to move) A.Metallic Bonding VIII. Metals

67 A.Metallic Bonding B.Properties VIII. Metals

68 A.Metallic Bonding B.Properties 1. high m.p./b.p. VIII. Metals

69 A.Metallic Bonding B.Properties 1. high m.p./b.p. 2. malleable and ductile Malleable = hammered into sheets Ductile = pulled in wires VIII. Metals

70 A.Metallic Bonding B.Properties 1. high m.p./b.p. 2. malleable and ductile 3. good conductors VIII. Metals

71 A.Metallic Bonding B.Properties 1. high m.p./b.p. 2. malleable and ductile 3. good conductors 4. shiny (lustrous) VIII. Metals

72 A.Metallic Bonding B.Properties C.Alloys A chemical combination of two metals VIII. Metals

73 A.Metallic Bonding B.Properties C.Alloys 1. substitutional One metal atom is substituted with a different atom VIII. Metals

74 A.Metallic Bonding B.Properties C.Alloys 1. substitutional 2. interstitial A second type of metal atom fills in holes between other metal atoms VIII. Metals

75 A.Metallic Bonding B.Properties C.Alloys 1. substitutional 2. interstitial 3. examples VIII. Metals

76 The End


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