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Chemistry 100/100L - Summer 2008
Exam 1 - Review Sheet |
| Everything on this page should look familiar to you before you take Exam 1, which covers Chapters 2-4. It's not very organized, but you should have seen it all before and know something about each topic. If not, then find them in the book or notes to jog your memory. This is just a brief guide, and probably doesn't include everything. Use the worksheets, learning checks, website, and suggested textbook problems as a more definitive guide. Let me know if you have any questions. |
Chapter 2 Classification of matter - pure substances, mixtures, elements, compounds, homogeneous mixtures, heterogeneous mixtures. Elements. know the first 36 and those in Table 2.2. I think you'll find that you know most of them already. If you spend all your time memorizing elements, you'll probably end up thinking that it was a waste of time after you're done with the exam. Periodic Table - periods, groups, metals, nonmetals, metalloids, main group (representative) elements, transition metals, alkali metals, alkaline earth metals, halogens, noble gases. Atomic Theories (and important experiments) - Dalton's atoms, Thomson's model, electrons, Rutherford's model, nucleus, Bohr model, orbits, energy levels, shells, Quantum-mechanical model, orbitals, sublevels, shapes of orbitals. Isotopes - isotopic notation/symbols, protons, neutrons, electrons, ions, average atomic mass, abundance Electrons - energy, frequency, wavelength, energy levels, continuous spectra, line spectra, emission and absorption of energy, electrons moving up to a higher level or down to a lower level, energy level diagrams, electron configurations (complete or abbreviated), valence electrons Periodic trends - atomic radius, ionization energy |
Chapter 3 Alpha particle emission, beta (minus) particle emission, positron emission, gamma rays, electron capture. Identity of each. Relative penetrating power of each. Nuclear equations. Filling in the blanks for various types of decay. Fission, fusion, power plants, radiation measurement. Half-life. |
Chapter 4 Octets, common ions. Names of ionic compounds - binary compounds, use of Roman numerals, compounds with polyatomic ions. Covalent compounds - names, use of prefixes, Lewis structures, valence electrons, octets, electron groups; geometrical arrangements of electron groups, linear, trigonal planar, tetrahedral; molecular geometries, bonding groups, lone pairs, linear, trigonal planar, bent 120, tetrahedral, trigonal pyramidal, bent 109. Polarity - electronegativity, polar and nonpolar bonds, polar and nonpolar compounds. |