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Review Topics for Exam 1:  Thursday 10/14 - Lectures 1-9 and Chapters 1-4.

Please bring your ID, a #2 pencil, and a calculator.  For this exam, you will not be given a periodic table.  For future exams, you will be given a periodic table. 

Part I (80 points, 35 minutes) - approximately 20 multiple choice questions.  Some points to study for this part of the exam are listed below.  The questions will be similar to the questions in the self-tests at the end of the chapters.  Taking these would be a good way of studying.

Chapter 1

1. Be able to convert from one temperature scale to another, i.e. Celsius, Fahrenheit, Kelvin (no equations provided)

2. Name and characterize the three states of matter and the processes associated with converting these states of matter from one to another (e.g. sublimation)

3. Know the symbols for the first thirty elements + Pd, Ag, Pt, Au, Hg, Cd, U, Pu, Br, I, Pb  (this is less than was said in class).

4. Understand and be able to use the following concepts:

homogeneous mixture physical properties elements
heterogeneous mixture chemical properties compounds
distillation chemical change absolute zero
exothermic process physical change law of the conservation of mass
endothermic process law of the conservation of energy  


Chapter 2

1. Know the difference between accuracy and precision
2. Know the SI units for length, mass, time and volume.
3. Understand and be able to use specific gravity and density to relate volume to mass and vice versa.
4. Be able to identify the number of significant figures in a measurement.
5. Be able to use scientific notation
6. Be able to correctly round numbers and in accord with the rules for using significant numbers in calculations
7. Be able to convert units
8. Understand heat, heat capacity, and specific heat capacity and be able to use the equation for specfici heat capacity to calculate unknowns in a problem.

Chapter 3

1. Understand atomic theory and what an atom is and what it is comprised of
2. Know the properties of protons, neutrons and electrons
3. Be able to use atomic number and mass number of an element to determine the number of protons, electrons and neutrons.  Need to understand the mass number / atomic number superscript/subscript labeling of chemical symbols.
4. Understand the concept of an isotope
5. Know why the atomic mass of an element can be different than its mass number
6. Know the following concepts as they relate to electronic structure of atoms: quantum, principle energy level, energy sub-level, atomic orbital
7. Know the differenty types of orbitals for each principle energy level up to n=4.
8. Understand how electrons fill orbitals (Aufbau, Pauli Exclusion Principle, Hund's rule) and the orbital energy levels (Fig. 3.5) up to 6s.
9. Know how to write the electron configuration of an element.

Chapter 4

1. Be able to identify in the periodic table, the general categories of elements, metals, nonmetals, metalloids, lanthanides, actinides, transition metals, representative elements.
2. Know the difference between groups an periods in the periodic table
3. Know some of the general properties of the above categories
4. Be able to identify noble gases, halogens, alkali metals, alkaline earth metals, diatomic gases, monatomic gases.
5. Know the trends in atomic size and ionization energy and know what is responsible for these trends.

Part II - (20 points, 10 minutes)

Written question focusing on electron configurations and their relation to the structure of the periodic table.  A good test of whether you understand electron configurations and the periodic table is to see if you can draw the first five periods of the periodic table using empty boxes to symbolize each element (basically, an empty periodic table).