Download 3-6 Names and Formulas of Inorganic Compounds

3-6 Names and Formulas of
Inorganic Compounds
Binary Compounds of Metals and Nonmetals
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General Chemistry: Chapter 3
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General Chemistry: Chapter 3
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Binary Compounds of Two Non-Metals
Molecular compounds
usually write the positive OS element first.
HCl hydrogen chloride
Some pairs form more than one compound
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mono
1
penta
5
di
2
hexa
6
tri
3
hepta
7
tetra
4
octa
8
General Chemistry: Chapter 3
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Binary Acids
Acids produce H+ when dissolved in water.
They are compounds that ionize in water.
Emphasize the fact that a molecule is an acid by altering the name.
HCl
hydrogen chloride
hydrochloric acid
HF
hydrogen fluoride
hydrofluoric acid
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General Chemistry: Chapter 3
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General Chemistry: Chapter 3
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Some Compounds of Greater
Complexity
• Effect of Moisture
– Blue anhydrous
• CoCl2
– Pink hexahydrate
• CoCl2• 6 H2O
6 mol H2O 
%H2O =
18.02 g H2O
1 mol H2O
 100%
237.9 g CoCl2• 6 H2O
= 45.45% H2O
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General Chemistry: Chapter 3
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3-7 Names and Formulas of
Organic Compounds
Organic compounds abound in nature
Fats, carbohydrates and proteins are foods.
Propane, gasoline, kerosene, oil.
Drugs and plastics
Carbon atoms form chains and rings and act as
the framework of molecules.
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General Chemistry: Chapter 3
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Visualizations of some Hydrocarbons
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Isomers
Isomers have the same molecular formula but have different arrangements of atoms in
space. Are the following pairs isomers?
(c)
H
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Functional Groups – Alcohols
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Functional Groups – Carboxylic Acid
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General Chemistry: Chapter 3
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