Chemistry exam review sheet – 1st semester!
Exam covers chapters 1 through 7 in notes (powerpoints are on instruction) – chapters
1 – 6 in online text
Format – 70 objective questions (multiple choice and matching)
17 short answer and problems
part I – objective section: be sure to study the following:
know how to write electron configurations for atoms and ions
be able to describe s,p,d and f orbitals
periods, series
group, family
alkali metals, alkaline earths, transition metals, halogens, noble gases, inner-transition
metals
s,p,d,f blocks of the periodic table
atomic radius and how it corresponds to the periodic table
atomic radius and how it relates to the radius of the ions
diatomic molecules
valence electrons
ionic and covalent compounds
single, double and triple covalent bonds
polar and non-polar molecules
oxidation numbers
gram formula mass
bonding and non-bonding pairs of electrons
VSEPR theory
Molecular geometry and bond angles
Physical and chemical properties
Definition of chemistry
Physical and chemical change
Homogenous and heterogenous mixtures
Chemical symbols
Elements vs. compounds
Matter – has mass and takes up space
Significant figures
Density
Percent error
Conversions using dimensional analysis – meters to km, etc
Atomic structure and subatomic particles – protons, neutrons, electrons
Isotopes
Ions
Atomic mass
Mass number
Atomic number
Writing formulas and naming compounds
Metals and non-metals and their locations on the periodic table
Dalton, Thomsen, Rutherford and Chadwick
Anion, cation, polyatomic ion, binary ionic compounds, ternary ionic compounds,
molecular compounds
Greek prefixes, roman numeral system
Part II – problems and short answer questions – know all about the following!
Electron configurations
Electron dot (Lewis) structures, geometry, bond angles, polar or non-polar molecules
Speed of light = frequency x wavelength
Energy = Planck’s constant x frequency
Periodic tables developed by Mendeleev and Moseley
Assign oxidation numbers for elements in a compound
Determine numbers and kinds of subatomic particles in an atom
Significant figures – add, subtract, multiply and divide
Naming compounds and writing formulas
Mole conversions
% composition
Empirical and molecular formulas