Guide for Exam 1

GUIDE FOR CHEM. 101 HOUR EXAM 1: FRIDAY OCT. 21

Chapter sections: Chapter 1: all except 1.1, 1.2, 1.3, 1.5; Chapter 2: all; Chapter 3: all except 3.2, 3.6, 3.11, 3.12; Chapter 4: Sections 4.1, 4.3, and 4.4 only.

Possible question topics:

  • Conversion of data and significant figures
  • constitution of atoms and isotopes
  • atomic weights
  • description of key experiments in establishing the constitution of the atom (Rutherford; Thomson); the mole; sizes and numbers of atoms
  • probable formulas of simple ions
  • percent composition
  • empirical and molecular formula
  • balancing simple equations and understanding their stoichiometry.

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