CHEM 120 - Introduction to Chemistry

    Recent Professors
    SWang@riohondo.edu, ggarg@riohondo.edu, tkidane@riohondo.edu, cmolina@riohondo.edu, mgiblin@riohondo.edu, AAbdolvahabi@riohondo.edu, aleung@riohondo.edu
    Recent Semesters
    Fall 2026, Summer 2026, Spring 2026, Fall 2025, Summer 2025
    Class Size
    24 students
    Credits
    5
    Prerequisite
    Enrollment requires appropriate placement (based on high school GPA and/or other measures), or completion of an intermediate algebra course. It is advised that students be able to engage in written composition at a college level and read college-level texts.
    Fall 2026 Sections
    View Fall 2026 sections of CHEM 120
    Transfers To
    UC and CSUCal-GETC Area 5C · Cal-GETC Area 5A · IGETC Area 5C · IGETC Area 5A · CSU GE Area B1 · CSU GE Area B3
    Description
    This one-semester course is designed for students intending to major in science or engineering. The course primarily prepares students for CHEM130; additionally, it fulfills the General Education requirement in the physical sciences. This course introduces the fundamental principles of general chemistry, with emphasis on chemical nomenclature and quantitative problems in chemistry. The lecture presents classical and modern chemistry, including atomic theory, periodic properties, chemical bonding, chemical reactions, stoichiometry, acids and bases, gas laws, and solutions. The laboratory introduces the techniques of experimental chemistry with examples from all areas of chemistry.
    Usually Held
    Mon Wed 5:00pm–7:05pm, Sat 8:00am–12:15pm, Tue Thu 10:25am–12:30pm, Fri 9:35am–1:50pm