good morning! 11/27/2015 starter: did you go through the review? today we are going to… –go over...
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Good Morning! 04/18/23•Starter: Did you go through the
review?•Today we are going to…
–Go over the review.–Then take the test
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On the test you will be given
•The Periodic Table•Polyatomic Ions table•Covalent Prefixes•Metals with Multiple charges
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Chemical Bonding and Reactions
Review
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Element
# of Valenc
e electrons
Name Charge
Carbon (C)
4 CarbonDoesn’t
like to ionize
Oxygen (O)
6 Oxide -2
Iodine (I) 7 Iodide -1Potassiu
m (K)1
Potassium
+1
Calcium (Ca)
2 Calcium +2
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Section 2: Writing ionic compounds. Practice
•Calcium Oxide = CaO Both 2•Copper (I) Iodide = CuI Both 1•Lithium Bromide = LiBr Both 1
•Magnesium Phosphide = Mg3P2
•Mg is +2, P is -3
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Section 3: Naming ionic compounds:
•CrCl3 = Chromium (III) Chloride
–Chromium (II) Chloride is CrCl2•CuBr = Copper (I) Bromide
–Copper (II) Bromide is CuBr2
•FeO = Iron (II) Oxide
–Iron (III) Oxide is Fe2O3
•MgS = Magnesium Sulfide
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Section 4 & 5: Writing formulas and naming them.
• K and PO4 = K3PO4
• Potassium Phosphate
• Mg and SO4 = MgSO4
• Magnesium Sulfate
• NH4 and SO4 = (NH4)2SO4
• Ammonium Sulfate• Na and OH = NaOH• Sodium Hydroxide
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Section 6: Naming covalent compounds. Remember the
prefixes and write the following examples:
•N2O
•N2O5
•CBr4
•CS2
=Dinitrogen Monoxide=Dinitrogen Pentaoxide=Carbon Tetrabromide=Carbon DiSulfide
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Section 7: Naming covalent compounds. Remember the
prefixes and write the following examples:
• Tetracarbon Octobromide
• Trinitrogen hexasulfide
• Pentaphosphorus heptaoxide
• Sulfur Diodide
=C4Br8
=N3S6
=P5O7
=SI2
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Section 8: Balancing Reactions
•Zn + HCl ZnCl2 + H2
•CH4 + O2 CO2 + H2O
• H2O2 H2O + O2
•CaSO4 + NaC2H3O2 Ca(C2H3O2)2 + Na2SO4
2
22
2 2
2
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Section 9: Classifying the Reactions
•Zn + 2 HCl ZnCl2 + H2
•Single Replacement (Sr)
•CH4 + 2 O2 CO2 + 2 H2O
•Combustion (Cb)
•2 H2O2 2 H2O + O2
•Decomposition (D)
•CaSO4 +2NaC2H3O2Ca(C2H3O2)2+Na2SO4
•Double Replacment (Dr)