1. What is matter, what are the three phases, and what are the properties of each phase?

2. Be able to classify matter. Is CO2 a pure substance or a mixture? Is it an element or a compound? Is it a molecular compound (covalent) or an ionic compound? CaCO3? O2? Hg? Wine? Sand? What is the difference between a pure substance and a mixture? A heterogenous mixture vs a homogenous mixture?Which of the following is a pure substance?waterwinemilkcoffeenone of the above

Which of the following is a compound?C NaKCOHe

Which of the following compounds forms individual molecules? H20CO2CaSNO2 none of the above

Which of the following would represent a homogenous mixture?soilsandwinecocaine none of the above(See homework questions 19, 21, 23 in ch 1)

3. Names and corresponding symbols for elements 1-86 (H-Rn)S is the symbol for which element?sodium strontiumsulfurtinselenium(See homework questions 25, 27, 29, 31, 33 in ch 1)

4. Identify elements as metals, metalloids, and non-metalsWhich of the following elements is a metal?gallium germanium arsenic seleniumnone of the above(See homework questions 35, 37 in ch 1)

5. Understand a chemical formula and how to tell how many of each type of atom it containsHow many atoms are in the compound glucose (C6H12O6)?361224none of the aboveHow many carbon atoms are in glucose?361224 none of the above

(See homework questions 39, 41, 43 in ch 1)

6. Scientific method: know the steps

(See homework question 45 in ch 1)

7. Chemical change vs. physical change. Chemical properties vs. physical properties. Be clear on the differences between physical changes and chemical changes, as well as physical properties vs. chemical properties. Sublimation of dry ice? Rusting of iron? Evaporation of rubbing alcohol? Formation of water during combustion? Burning gas to make a flame? Boiling water over that flame?(See homework questions 15, 17 in ch 2)

8. Units of measurement: mass in grams, length in meters, volume in liters, temperature in degrees Celsius or Kelvin, energy in joules

9. Prefixes in table (tera- through pico-) and their proper use(See homework questions 21, 23 in ch 2)

10. Unit conversions75 miles per hour = ? km/day253 cm = ? feet45 m3 = ? mL = ? L(See homework questions 25, 27, 29, 31 in ch 2)

11. Significant figures, rounding, and measurementhow many significant figures should be in the answer to the following calculation?(29.32-12.08)/2.432345none of the above(See homework questions 33, 35, 37, 39, 41, 43, 45, 47, 49, 51 in ch 2)

12. Accuracy vs. precision(See homework question 53 in ch 2)

13. Density:What is the density of a piece of metal that weighs 24.593 g and has a volume of 5.52 mL?What is the volume of an unknown substance that weighs 32.55 g with a density of 2.95 g/mL?What would be the final volume on a 100.0 mL graduated cylinder that was originally at a volume of 15.50 mL if a piece of glass was dropped in it that weighed 20.02 g and had a density of 3.12 g?(See homework questions 55, 57, 59 in ch 2)

14. Law of conservation of massLaw of definite proportionsLaw of multiple proportionsBe familiar with what each of these laws state.(See homework questions 43, 45 in ch 3)

15. Isotopes: identification, designation, mass number, atomic number, how to find the number of protons, neutrons and electrons in a given isotopeWhat is the isotope symbol for an atom containing 26 protons and 30 neutrons?What is the mass number of a sulfur atom with 17 neutrons?(See homework questions 49, 51 in ch 3)

16. Find an average molecular mass if you are given isotope masses and abundances; also look for permutations of this concept/problem. How to tell which isotope has the higher abundance.Silver has two isotopes, Ag-107 and Ag-109. Based on the average molecular mass, which isotope is more abundant?Potassium has three stable isotopes: K-39 with an abundance of 93.258% and a mass of 38.9637, K-40 with an abundance of 0.01171% and a mass of 39.9640, and K-41 with a mass of 40.9618. What is its average molecular mass?(See homework questions 55, 57 in ch 3)

17. Understand line spectra, wavelength, frequency and energy.What is the frequency of a photon with a wavelength of 332.0 nm? What is the wavelength of a photon with a frequency of 8.22 x 1015 Hz?What is the energy of a photon with a wavelength of 524.0 nm?What is the wavelength of a photon with an energy of 6.92 x 10-19 J?What is the frequency of a photon with an energy of 2.34 x 10-19 J?What is the energy of a photon with a frequency of 2.98 x 1015 Hz?(See homework questions 59, 61, 63, 65, 67 in ch 3)

18. Understand orbitals, and be able to give electron configurations for given elements, long hand and short hand.What is the electron configuration for Tin? (long and short)What is the element represented by the following electron configuration? 1s22s22p63s23p64s23d104p65s24d5(See homework questions 69, 71, 73, 75, 77 in ch 3)

19. Know family names for the groups on the periodic table.(See homework problems 21-26 in ch 4)

20. Covalent bonds what they consist of/between. Know properties of covalent bonds. Know how to name a covalent compound given the chemical formula, and vice versa. What are the names of the following compounds?N2O4Cl2OCF4H2OCCl4(See homework problems 5, 27-30 in ch 4)

21. Ionic compounds what they consist of/between. Know properties of covalent bonds. Know how to name an ionic compound given the formula and vice versa. Be familiar with the ions that particular elements will form.What are the names of the following compounds?KClLi2OCaOCaCl2K2S(See homework problems 31-38, 41, 42 in ch 4)

22. Know how to identify what the oxidation state/charge is on a transition metal in an ionic compound if given as a name or as a chemical formula for the formula unit.What is the chemical formula for the following substances?Tin(IV)chlorideIron(III)sulfateIron(II)oxideMercury(II)bromideWhat is the name of the following substances?MgSO4CaCO3Ca3(PO4)2 CuSO4PbS2FeS Al2O3(See homework problems 39, 40, 43, 44 in ch 4)

23. Memorize the polyatomic ions!!

24. Know which elements form diatomic molecules.