TEKS High School Chemistry

Summer - Fall 2026

A Texas high-school chemistry course aligned to the Chemistry TEKS. This path is more quantitative than the NGSS chemistry course: students use laboratory evidence, particle models, formulas, equations, mole calculations, gas laws, molarity, pH, thermochemistry, and nuclear equations to explain chemical systems. Use this path when students need a TEKS-shaped chemistry sequence that can also serve as a bridge into AP Chemistry or General Chemistry I.

Aligned to 19 TAC §112.43 Chemistry TEKS strands: scientific practices, periodicity, atomic theory, bonding, chemical quantities, reactions, gases, solutions, acids and bases, thermochemistry, and nuclear chemistry.

TEKS alignment: Coverage follows Texas Chemistry TEKS expectations for scientific practices and chemistry concepts.

19 TAC §112.43: Texas Chemistry (One Credit), Adopted 2020.

TEKS Chemistry Learning Outcomes

Scientific and Engineering Practices

TEKS c(1)-c(4)

Plan investigations, use lab safety practices, collect SI data, evaluate models, and communicate evidence-based explanations.

Use particle diagrams, tables, graphs, calculations, and written arguments as routine chemistry tools.

Periodic Table, Atomic Theory, and Bonding

TEKS c(5)-c(7)

Use periodic trends, valence electrons, atomic models, isotopes, electron configurations, and light-energy relationships to explain atoms.

Connect ionic, covalent, and metallic bonding; nomenclature; Lewis structures; and VSEPR to compound properties.

Moles, Formulas, and Chemical Reactions

TEKS c(8)-c(9)

Use mole conversions, Avogadro's number, percent composition, empirical formulas, and molecular formulas to account for matter.

Write and balance reactions, classify reaction types, and solve stoichiometry, limiting-reactant, gas-volume, and percent-yield problems.

Gases, Solutions, and Acids/Bases

TEKS c(10)-c(12)

Apply kinetic molecular theory, ideal gas relationships, and Dalton's law to gas behavior.

Analyze molarity, dilutions, solubility rules, electrolytes, acid-base definitions, pH, and neutralization reactions.

Thermochemistry and Nuclear Chemistry

TEKS c(13)-c(14)

Use calorimetry, specific heat, thermochemical equations, and energy diagrams to explain endothermic and exothermic processes.

Represent alpha, beta, and gamma decay, compare fission and fusion, and connect nuclear processes to applications.

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