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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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CHEM 14AGeneral Chemistry for Life Scientists I

Chemistry and Biochemistry · 4 units · Undergraduate lower division (0-99)

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Not open to students with credit for course 20A. Introduction to physical and general chemistry principles; atomic structure based on quantum mechanics; atomic properties; trends in periodic table; chemical bonding (Lewis structures, VSEPR theory, hybridization, and molecular orbital theory); coordination compounds; properties of inorganic and organic acids, bases, buffers.

P/NP or letter grading.

When it runs

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Preparation: high school chemistry or equivalent background and three and one half years of high school mathematics. Requisite: completion of Chemistry Diagnostic Test. Enforced corequisite: Life Sciences 30A or Mathematics 3A or 31A or score of 48 or better on Mathematics Diagnostic Test.

BruinTree reads · Preparation

needs reviewconfidence 0.00 · from text

BruinTree could not read this requirement — see UCLA’s wording above.

  • · could not read "high school chemistry" (no course number found)
  • · could not read "equivalent background" (no course number found)
  • · could not read "three" (no course number found)
  • · could not read "one half years of high school mathematics" (no course number found)
  • · no course reference could be read from this requisite

BruinTree reads · Prerequisite

needs reviewconfidence 0.00 · from text

BruinTree could not read this requirement — see UCLA’s wording above.

  • · could not read "completion of Chemistry Diagnostic Test" (no course number found)
  • · no course reference could be read from this requisite

BruinTree reads · Corequisite

needs reviewconfidence 0.20 · from text
one of
  • LIFESCI 30A
  • MATH 3A
  • MATH 31A
  • score of 48
  • better on Mathematics Diagnostic Test
  • · could not read "score of 48" (no course number found)
  • · could not read "better on Mathematics Diagnostic Test" (no course number found)

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About CHEM 14A. We read UCLA’s requisite wording by machine, and it gets things wrong.

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

CHEM 14A

  • LIFESCI 30AMathematics for Life Scientists
  • MATH 3ACalculus for Life Sciences Students
    • MATH 1Precalculus
  • MATH 31ADifferential and Integral Calculus
    • MATH 1Precalculusanother path to it

3 direct requisites. The whole upstream is here — 5 courses over 2 levels. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

CHEM 14A2 more beyond

  • CHEM 14BGeneral Chemistry for Life Scientists II2 more beyond
    • CHEM 14BLGeneral and Organic Chemistry Laboratory Ianother path to it
    • CHEM 14CStructure of Organic Molecules8 more beyond
    • A&O SCI 104Fundamentals of Air and Water Pollution1 more beyond
    • CHEM 14CLGeneral and Organic Chemistry Laboratory IIanother path to it
    • CHEM 20LGeneral Chemistry Laboratoryanother path to it
    • PHYSCI 166Animal Physiology1 more beyond
    • A&O SCI 141Introduction to Atmospheric Chemistry and Air Pollution
  • CHEM 14BEGeneral Chemistry for Life Scientists II—Enhanced
    • CHEM 14CLGeneral and Organic Chemistry Laboratory II
    • CHEM 110APhysical Chemistry: Chemical Thermodynamicsanother path to it
  • EE BIOL 148Biology of Marine Plants
  • CHEM 14BLGeneral and Organic Chemistry Laboratory I
    • CHEM 14CLGeneral and Organic Chemistry Laboratory IIanother path to it
    • CHEM 153LBiochemical Methods I5 more beyond
    • EE BIOL 148Biology of Marine Plantsanother path to it
    • CHEM 192AUndergraduate Practicum in Chemistry and Biochemistry
    • CHEM 192BUndergraduate Practicum in Chemistry and Biochemistry
    • PHYSCI 166Animal Physiologyanother path to it
  • CHEM 20BChemical Energetics and Change25 more beyond
    • CHEM 14CLGeneral and Organic Chemistry Laboratory IIanother path to it
    • CHEM 20LGeneral Chemistry Laboratoryanother path to it
    • A&O SCI 104Fundamentals of Air and Water Pollutionanother path to it
    • CHEM 30AOrganic Chemistry I: Structure and Reactivity13 more beyond
    • BIOENGR C104Physical Chemistry of Biomacromolecules1 more beyond
    • CHEM 113APhysical Chemistry: Introduction to Quantum Mechanics26 more beyond
    • C&EE C104Structure, Processing, and Properties of Civil Engineering Materials1 more beyond
  • EPS SCI CM173Earth Process and Evolutionary History
  • CHEM 20LGeneral Chemistry Laboratory13 more beyond
    • CHEM 14CLGeneral and Organic Chemistry Laboratory IIanother path to it
    • CHEM 30ALGeneral Chemistry Laboratory II4 more beyond
    • BIOENGR C105Engineering of Bioconjugates1 more beyond
    • CHEM 153LBiochemical Methods Ianother path to it
    • CHEM 192AUndergraduate Practicum in Chemistry and Biochemistryanother path to it
    • CH ENGR 45Biomolecular Engineering Fundamentals6 more beyond
    • MAT SCI 104Science of Engineering Materials15 more beyond
  • CHEM 50Computational Tools for Materials Modeling and Discovery
  • LIFESCI 107Genetics26 more beyond
    • MCD BIO 104ALResearch Immersion Laboratory in Developmental Biology1 more beyond
    • MIMG 132Cell Biology of Nucleus1 more beyond
    • EE BIOL C146Conservation Genomicsanother path to it
    • LIFESCI 192FUndergraduate Practicum in Life Sciences
    • MCD BIO 114ALResearch Immersion Laboratory in Plant Molecular Biology and Biotechnology
    • MIMG 170Cell and Gene Therapy
    • EE BIOL C246Conservation Genomicsanother path to it
  • CHEM 110APhysical Chemistry: Chemical Thermodynamics21 more beyond
    • CHEM 103Environmental Chemistry
    • CHEM 110BTopics in Physical Chemistry11 more beyond
    • MAT SCI 131Diffusion and Diffusion-Controlled Reactions6 more beyond
    • CHEM 114Physical Chemistry Laboratory
    • CHEM 114HPhysical Chemistry Laboratory (Honors)
    • PHYSICS 144Polymer Physics
    • CHEM 118Colloidal Dynamics Laboratory
  • PHYSCI 167Physiology of Nutrition
  • PHYSICS C186Neurophysics: Brain-Mind Problem
  • EE BIOL 150Principles of Genetics
    • EE BIOL C146Conservation Genomics
    • EE BIOL C246Conservation Genomics
  • EPS SCI CM273Earth Process and Evolutionary History
  • PHYSICS C286Neurophysics: Brain-Mind Problem

17 courses list this as a requisite. Showing 60 courses over 2 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Winter 2026
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.