Science 10 Review

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Science 10 Review

• Part 1 Chemical Compounds

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Ionic Compounds
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Ionic Compounds

• Metal and non-metal combination

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Ionic Compounds

• Metal and non-metal combination

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Ionic Compounds

• Metal and non-metal combination
• Ionic bond forms as a result of electron
  transfer.

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Ionic Compounds

• Metal and non-metal combination
• Ionic bond forms as a result of electron
  transfer.
• Contains charged ions (atoms or group of atoms
  that have lost or gained electrons)
• e.g O2-, PO43-
• K , NH4

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• Ionic bond is a force of attraction between
  positive and negative ions

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• Ionic bond is a force of attraction between
  positive and negative ions

Cu2
O2-
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• Ionic bond is a force of attraction between
  positive and negative ions
• E.g. CuO, NaHC2O4

Cu2
O2-
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• Ionic bond is a force of attraction between
  positive and negative ions
• E.g. CuO, NaHC2O4
• Ionic compounds form 3D crystals that contain
  many ions

Cu2
O2-
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• Ionic bond is a force of attraction between
  positive and negative ions
• E.g. CuO, NaHC2O4
• Ionic compounds forms 3D crystals that contain
  many ions

Cu2
O2-
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Molecular compounds
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Molecular compounds

• Non-metal and non-metal combination

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Molecular compounds

• Non-metal and non-metal combination

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Molecular compounds

• Non-metal and non-metal combination
• Form molecules

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Molecular compounds

• Non-metal and non-metal combination
• Form molecules
• Contain covalent bonds that result from electron
  sharing

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Molecular compounds

• Non-metal and non-metal combination
• Form molecules
• Contain covalent bonds that result from electron
  sharing
• E.g. CH4, SO2

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Formulas of Ionic Compounds

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Formulas of Ionic Compounds

• Write Symbols with Combining Capacities
• Balance Charges
• Write Formula

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate Hg2

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate Hg2 PO43-
  

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate Hg2 PO43-
  
• Hg2

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate Hg2 PO43-
  
• Hg2 PO43-

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate Hg2 PO43-
  
• Hg2 PO43-
• Hg2

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Formulas of Ionic Compounds

• Roman Numeral in name indicates ion charge
• e.g mercury (II) phosphate Hg2 PO43-
  Hg3(PO4)2
• Hg2 PO43-
• Hg2

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Naming Ionic Compounds

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Naming Ionic Compounds

• 1. Name the Metal
• (check its combining capacity)
• 2. Name the non metal ending to IDE
• or
• Name the polyatomic ending the same

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Naming Ionic Compounds

• Must use a roman numeral to indicate the charge
  of metal ions with more than one possible ion
  charge

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Naming Ionic Compounds

• Must use a roman numeral to indicate the charge
  of metal ions with more than one possible ion
  charge
• e.g Cr2O3

3 or 2
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Naming Ionic Compounds

• Must use a roman numeral to indicate the charge
  of metal ions with more than one possible ion
  charge
• e.g Cr2O3 Cr Cr

3 or 2
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Naming Ionic Compounds

• Must use a roman numeral to indicate the charge
  of metal ions with more than one possible ion
  charge
• e.g Cr2O3 Cr O2- Cr O2-
• O2-

3 or 2
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Naming Ionic Compounds

• Must use a roman numeral to indicate the charge
  of metal ions with more than one possible ion
  charge
• e.g Cr2O3 Cr3 O2- Cr3 O2-
• O2-

3 or 2
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Naming Ionic Compounds

• Must use a roman numeral to indicate the charge
  of metal ions with more than one possible ion
  charge
• e.g Cr2O3 Cr3 O2- Cr3 O2-
• O2-

3 or 2
chromium (III) oxide
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• A roman numeral is not required when a metal has
  only one ion charge

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• A roman numeral is not required when a metal has
  only one ion charge
• e.g K2SO4

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• A roman numeral is not required when a metal has
  only one ion charge
• e.g K2SO4

1 only
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• A roman numeral is not required when a metal has
  only one ion charge
• e.g K2SO4 potassium sulphate

1 only
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Formulas of Molecular Compounds
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Formulas of Molecular Compounds

• Binary compounds use prefix system to indicate
  the number atoms of each element

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Formulas of Molecular Compounds

• Binary compounds use prefix system to indicate
  the number atoms of each element
• The element furthest to the left or farthest down
  the periodic table is written first

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Greek prefixes

• 1 mono 6 - hexa
• 2 di 7 - hepta
• 3 tri 8 - octa
• 4 tetra 9 - nona
• 5 penta 10 - deca

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Formulas of Molecular Compounds
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Formulas of Molecular Compounds

• sulphur dioxide

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Formulas of Molecular Compounds

• sulphur dioxide SO2

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Formulas of Molecular Compounds

• sulphur dioxide SO2
• tetranitrogen nonaoxide

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Formulas of Molecular Compounds

• sulphur dioxide SO2
• tetranitrogen nonaoxide N4O9

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Formulas of Molecular Compounds

• sulphur dioxide SO2
• tetranitrogen nonaoxide N4O9
• diphosphorus pentoxide

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Formulas of Molecular Compounds

• sulphur dioxide SO2
• tetranitrogen nonaoxide N4O9
• diphosphorus pentoxide P2O5

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Naming Molecular Compounds
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Naming Molecular Compounds

• Mono is never used for the first element

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Naming Molecular Compounds

• Mono is never used for the first element
• Second element changes to ide ending

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Naming Molecular Compounds

• Mono is never used for the first element
• Second element changes to ide ending
• Vowels (a, o) on prefix are sometimes omitted if
  followed by vowels (a, o)

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Naming Molecular Compounds

• Mono is never used for the first element
• Second element changes to ide ending
• Vowels (a, o) on prefix are sometimes omitted if
  followed by vowels (a, o)
• e.g. carbon monooxide ? carbon monoxide

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Naming Molecular Compounds
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Naming Molecular Compounds

• SiO2

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Naming Molecular Compounds

• SiO2 silicon dioxide

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Naming Molecular Compounds

• SiO2 silicon dioxide
• N2S

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Naming Molecular Compounds

• SiO2 silicon dioxide
• N2S dinitrogen monosulphide

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Naming Molecular Compounds

• SiO2 silicon dioxide
• N2S dinitrogen monosulphide
• P4Cl6

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Naming Molecular Compounds

• SiO2 silicon dioxide
• N2S dinitrogen monosulphide
• P4Cl6 tetraphosphorus hexachloride

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CuSO4 . 5H2O
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CuSO4 . 5H2O

• A hydrate is a solid compound containing water
  molecules combined in a definite ratio as an
  integral part of the crystal

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CuSO4 . 5H2O

• To name hydrates
• Name the ionic compound normally

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CuSO4 . 5H2O

• To name hydrates
• Name the ionic compound normally
• Use greek prefixes for the of water molecules

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CuSO4 . 5H2O

• To name hydrates
• Name the ionic compound normally
• Use greek prefixes for the of water molecules
• Name water molecule hydrate

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CuSO4 . 5H2O

• Copper II sulphate pentahydrate

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Try these

• Na2SO4 10H2O

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Try these

• Na2SO4 10H2O
• sodium sulfate decahydrate

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Try these

• Na2SO4 10H2O
• sodium sulfate decahydrate
• CaHPO4 2H2O

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Try these

• Na2SO4 10H2O
• sodium sulfate decahydrate
• CaHPO4 2H2O
• calcium hydrogen phosphate dihydrate