Recent SemestersSpring 2027, Winter 2027, Fall 2026, Summer 2026, Spring 2026Class Size27 studentsCredits5PrerequisiteMATH 40 or Mathematics 43 with a minimum grade of C in prerequisite or qualification by testing (El Camino College Mathematics Placement Test) and assessment Transfers ToUC and CSUCal-GETC Area 5A · Cal-GETC Area 5C · IGETC Area 5A · IGETC Area 5C · CSU GE Area B1 · CSU GE Area B3DescriptionThis course introduces fundamental theory and principles of chemistry applied to inorganic, organic, and biological chemistry. Atomic and molecular structure, chemical and physical changes, gases, solutions, nomenclature, equations and calculations will be emphasized. Note: The maximum UC credit allowed for students completing CHEM 4 and Chemistry 20 is one course. Students will not receive UC credit for Chemistry 20 if taken after CHEM 1A . Back to Top | Print-Friendly Page (opens a new window) Facebook this Page (opens a new window) Tweet this Page (opens a new window) Add to Backpack (opens a new window) All catalogs © 2026 El Camino College. Powered by Modern Campus Catalog™ .Usually HeldSat 9:30am–12:40pm, Mon 11:15am–2:25pm, Mon 2:50pm–6:00pm, Mon 3:00pm–6:10pm 