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5 Matter and Bonding.

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Presentation on theme: "5 Matter and Bonding."— Presentation transcript:

1 5 Matter and Bonding

2 Classifying Matter Matter Pure Substances Mixtures Compounds Homogenous Heterogeneous Elements NaCl(aq) granite metals nonmetals ionic covalent tea pineapple juice Na Cl2 NaCl NO2 Au I2 NH4Cl C12H22O11

3

4 Ionic Compounds Metal + Nonmetal Cl Na e-

5 Ionic Compounds Metal + Nonmetal Cl- Na+ Strong Bond- all ionic compounds are solids, high melting points

6 Ionic

7 Potassium dichromate

8 Copper II sulphate

9 Chromium III chloride

10 Ammonium vanadate

11 Potassium permanganate

12 Iron III chloride

13 Magnesium Sulphate

14 Lead IV oxide

15 Manganese II oxide

16 Nickel II oxide

17 Hg2+ PO43- Hg3(PO4)2 Hg2+ PO43- Hg2+ Formulas of Ionic Compounds
Roman Numeral indicates ion charge of metal Mercury II phosphate Hg2+ PO43- Hg3(PO4)2 Hg2+ PO43- Hg2+

18 Naming Ionic Compounds
Must use a roman numeral to indicate the charge of metal ions with more than one possible ion charge

19 Cr2O3 3+ Cr O2- +3 or +2 3+ Cr O2- O2- chromium III oxide

20 A roman numeral is not required when a metal has only one ion charge
K2SO4 potassium sulphate +1 only

21 Covalent compounds- two nonmetals

22 Greek prefixes 1 – mono 7 - hepta 8 - octa 2 – di 9 – nona 3 – tri 10 - deca 4 – tetra 11 - undeca 5 – penta 6 - hexa 12 - dodeca

23 Formulas of Molecular Compounds
sulphur dioxide NI3 nitrogen triiodide diphosphorus pentoxide P2O5 N4O9 tetranitrogen nonoxide No mono for 1st atom! Two ii’s are OK! End with ide! ao- drop the a

24 Name CuSO4 . 5H2O copper II sulphate pentahydrate CaHPO4 · 2H2O calcium monohydrogen phosphate dihydrate Na2SO4 · 10H2O sodium sulphate decahydrate

25 Write a balanced combustion equations with phase symbols.
C12H O 

26 Write a balanced combustion equations with phase symbols.
C12H O  CO H2O

27 Write a balanced combustion equations with phase symbols.
C12H O  CO H2O

28 Write a balanced combustion equations with phase symbols.
C12H O  12CO H2O

29 Write a balanced combustion equations with phase symbols.
C12H O  12CO H2O

30 Write a balanced combustion equations with phase symbols.
C12H O  12CO H2O

31 Write a balanced combustion equations with phase symbols.
C12H24(l) O2(g)  12CO2(g) H2O(l)

32 Write a balanced equation with phase symbols.
A solution of aluminum chloride, carbon dioxide, and water can be prepared mixing pure aluminum carbonate with a solution of hydrochloric acid. Al2(CO3)3(s) HCl(aq)  3CO2(g) AlCl3(aq) + 3H2O(l)

33 Workbook Assignment # 5


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