Chapter 3, Lecture 1

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Names Formulas of Inorganic Compounds
2
Charges on Common Ionsfrom the Periodic Table
3
By losing or gaining e-, atom has same number of
e-s as nearest Group 8A atom.
3
Name of () ion is the same as the name of the
metal. Na gt Na ion Al gt Al3 ion etc.
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Name of monatomic (-) ion changes
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• Chlorine Chloride Cl2
  Cl-
• Sulfur Sulfide
• S S2-

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BINARY COMPOUNDS
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Metal / Non-Metal
Metal Element Name
Non-Metal Element Name Root ide
8
Metal / Non-Metal
Column 1 Column 17
Bromine Cesium Bromide Cs
Br- Whats its formula? CsBr
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NaCl
sodium chloride
Na
Cl-
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CaCl2
calcium chloride
Ca2
Cl-
Cl-
11
aluminum oxide
12
Al2O3
aluminum oxide
Al3
Al3
O2-
O2-
O2-
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Not all ions with ide suffix are monatomic (-)
ions OH- CN- NH2-
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Pay careful attention to Figure 2.22 in text
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Figure 2.22
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Transition Elements Other Heavy Metals many
have multiple oxidation states (charges)
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• Fe2 Iron (II)
• Ferrous
• Fe3 Iron (III)
• Ferric

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• Hg2 Mercury(II)
• Mercuric
• Hg22 Mercury(I)
• Mercurous

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• Copper (I) Sulfide
• (cuprous)
• Cu S2-
• Cu2S
• Copper (II) Sulfide
• (cupric)
• Cu2 S2- f
• CuS

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Non-Metal / Non-MetalBinary Compounds
Use numeric prefixes
21
Non-Metal / Non-Metal

• CO Carbon Monoxide
• CO2 Carbon Dioxide
• ? Dinitrogen tetroxide

22
Non-Metal / Non-Metal

• CO Carbon Monoxide
• CO2 Carbon Dioxide
• N2O4 Dinitrogen tetroxide

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Polyatomic Ions
See Table 2.5 in text
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Polyatomic Ions

• NaNO3
• Sodium Nitrate

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• KMnO4
• Potassium Permanganate

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• Ba(NO3)2 Ba(NO2)2
• Barium Barium Nitrate
  Nitrite

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Transition Elements / Polyatomic Ions

• CuSO4 Copper (II) Sulfate
• Cu2SO4 Copper (I) Sulfate

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Hydrate

• Salt, loosely bound to H2OCuSO4.5H2O
  Copper (II) Sulfate Pentahydrate
  f

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Sulfate

• Sulfuric Acid H2SO4

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Nitrate

• Nitric Acid HNO3

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Phosphate

• Phosphoric Acid H3PO4

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• -ic -ateacids ??
  salts
• sulfuric sodiumacid ??
  sulfateH2SO4 Na2SO4

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• -ous -iteacids ??
  salts
• nitrous sodiumacid ??
  nitrite HNO2 NaNO2

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hydro - ic -ideacids
?? salts hydrochloric
sodiumacid ?? chloride
HCl(aq) NaCl