General Chemistry Midterm Review
100 Multiple choice problems
1 problem sheet (e configuration, lewis dot structures, molar mass etc.)
You may use a 3”x5” notecard on your exam provided that notecard is turned in prior to
the end of class on the day before exams start.
Major topics covered
Chapter 1 Chemistry an Introduction
Theory
Law
Scientific Method
Lab safety
Chapter 2 Measurements and Calculations
Sig figs
Dimensional analysis (field goals)
Metric system
Density
Chapter 3 Matter
Elements
Compounds
Mixture
Homogeneous/heterogeneous
Chapter 4 Chemical Foundations
Subatomic particles
Proton
Neutrons
Electrons
Nucleus
Rutherford
Thomson
Periodic Table
Periodic trends
Metals
Nonmetals
Metalloids
Alkali metals
Alkaline Earth Metals
Transition metals
Halogens
Noble gases
Chapter 5 Nomenclature
Ions
Cations
Anions
Ionic bonding
Polyatomic ions
Naming ionic compounds
Determining ionic formulas
Ionic dissociation
Molar mass
Covalent Naming
Covalent Prefixes
Naming Acids
Chapter 6 Chemical Reactions
Products
Reactants
Energy
Exothermic
Endothermic
Balancing Equations
Chapter 7 Reactions in an aqueous solution
Preciptiate
Spectator Ions
Net ionic equations
Chapter 8 Chemical Composition
Mole
Molar Mass
Mole gram conversion
Mole atom conversion
Chapter 11 Modern Atomic Theory
Bohr
Heisenberg
Orbitals
Energy levels
Electron configuration
Quantum numbers
Practice problems
Draw the orbital diagram, electron configuration for the following elements, draw the
electron configuration and condensed electron configuration (circle electron w/ given
quantum numbers, and circle your own)
W- 3, 2,1,+½
S- 2, 1, 0, –½
Cu 2,1,-1 –½
Rb- 3, 2, 2, +½
Element
Symbol
Atomic
number
Zirconium
Bromine
40
Magnesium
12
14
Silicon
Ion
Symbol
Atomic
number
Iron (II)
Chloride
Calcium
Fe2+
ClCa2+
26
17
20
Mass
Number
protons
80
24
35
neutrons electrons
51
14
Mass
Number
56
36
41
protons
neutrons electrons
Determine the formula of the following compounds.
Potassium sulfide
Magnesium chlorate
Ammonium iodide
Equations
Balance the following equations
CaCl2 + NaOH  Ca(OH)2 + NaCl
Na3PO4 + Sr(NO3)2  NaNO3 + Sr3(PO4)2
Li3PO4 + NH4F  LiF + (NH4)3PO4
Mole Problems
How many moles are in 320 g of ammonium carbonate?
How many grams are in 5.23 mol of C3H8?
How many grams are in 5.1 mol of sulfur hexachloride?
How many moles are in 12.5 g of Nitrogen trichloride?
Empirical formulas and percent composition
Determine the percent composition of Li3BO3
Determine the percent composition of C2H5OH
What is the empirical formula of something that is 11.6% N and 88.4% Cl
What is the empirical formula of something that is 35.9 % Al and 64.1 % S