Download E1ReviewSheet

Exam 1 Review Sheet:
Bring a pencil, eraser, and non-graphing calculator to the exam.
No graphing calculators, no dictionaries, no phones.
Laboratory Experiments: Any concepts and calculations from lab experiments you need to
know for the exam.
Chapter 1
 Understanding of chemical vs. physical, properties and changes
 Understanding of three states of matter (solid, liquid, gas)
 Understanding of basic SI units and ability to use them in calculations and conversions
 Equations and values you need to know and understand:
1. density
2. Celsius to Kelvin conversion
3. conversions between SI decimal prefixes (Know Table 1.2 BOLD only)
4. conversions between mass and volume using density
 Understanding of significant figures, how to determine and why
 Rounding rules
 Scientific notation and exponential notation
Chapter 2
 Understand and ability to describe terms:
atom, molecule, compound, element, mixture
 Recognize the names and letter symbols on the periodic table for atomic numbers for
groups 1-8 and also Cu, Zn, Ag, Au, Hg, Pt
 Understand atomic mass unit and how it is related to the carbon-12 isotope
 Ability to calculate and understand mass percent
 Understand isotopes and how they relate to atomic mass of an element
 Ability to determine atomic mass from isotopic mass and abundance
 Understand parts of an atom: nucleus, electrons, protons, neutrons
 Understanding of atomic number, mass number, and atomic symbol and ability to
determine protons, neutrons and electrons from Atomic Symbol
 Chemical formulas
 Ability to calculate molar mass (in amu) of a molecule or compound from its chemical
formula
 Understand the concept of the Mole (Avogadro’s number) and know the value
6.022x1023
 Understand and ability to use the following in calculations: isotopic mass, atomic mass,
molecular mass, molar mass
 Ability to convert between moles, mass (grams), number of atoms, and number of
molecules
 Ability to calculate mass percent of a particular element when given a chemical formula