Study Resources

USNCO Learning Objectives

Know exactly what to study for USNCO exams with objectives derived from 10 years of competition analysis, compiled by Dr. Chen.

266
Total Objectives
156
Standard Level
110
High Level

Coverage: National Exams (2015-2025) + Local Exams (2015-2022) | Total Questions: 1,380

T1T2T3T4T5T6T7T8T9T10
SLStandard Level - Local & National Exams
HLHigh Level - National Exam & beyond

T1: Stoichiometry/Solutions

15 SL2 HL

Concept of Mole and Formula

T1.1SL
T1.2SL
T1.3SL

Fundamental Stoichiometry

T1.4SL
T1.5SL
T1.6SL
T1.7SL
T1.8SL

Intermediate Stoichiometry

T1.9SL
T1.10SL

Properties of Solutions

T1.11SL
T1.12SL
T1.13SL
T1.14SL
T1.15SL

Advanced Stoichiometry

T1.16HL
T1.17HL

T2: Descriptive/Laboratory

14 SL10 HL

Chemical Properties

T2.1SL
T2.2SL
T2.3SL

Representative Elements

T2.4SL
T2.5SL
T2.6SL

Laboratory Techniques

T2.7SL
T2.8SL
T2.9SL
T2.10SL
T2.11SL
T2.12SL
T2.13SL
T2.14SL

Crystal Field Theory

T2.15HL
T2.16HL
T2.17HL

HSAB Theory

T2.18HL
T2.19HL
T2.20HL

Advanced Laboratory

T2.21HL
T2.22HL
T2.23HL
T2.24HL

T3: IMFs/States of Matter

19 SL7 HL

Intermolecular Forces

T3.1SL
T3.2SL
T3.3SL
T3.4SL
T3.5HL
T3.6HL

Phase Changes

T3.7SL
T3.8SL
T3.9SL

Gases

T3.10SL
T3.11SL
T3.12SL
T3.13SL
T3.14HL
T3.15HL

Liquids

T3.16SL
T3.17HL
T3.18HL

Solids

T3.19SL
T3.20SL
T3.21SL
T3.22SL
T3.23SL
T3.24SL
T3.25HL
T3.26SL

T4: Thermodynamics

10 SL10 HL

Calorimetry

T4.1SL
T4.2SL

Enthalpy

T4.3SL
T4.4SL
T4.5SL
T4.6SL
T4.7SL

Entropy and Free Energy

T4.8SL
T4.9SL
T4.10SL

Advanced Thermodynamics

T4.11HL
T4.12HL
T4.13HL
T4.14HL
T4.15HL
T4.16HL
T4.17HL
T4.18HL
T4.19HL
T4.20HL

T5: Kinetics

12 SL11 HL

Reaction Rates

T5.1SL
T5.2SL
T5.3SL
T5.4SL

Activation Energy and Arrhenius Equation

T5.5SL
T5.6SL
T5.7SL
T5.8SL
T5.9HL
T5.10HL

Reaction Mechanism

T5.11SL
T5.12SL
T5.13SL
T5.14SL
T5.15HL
T5.16HL
T5.17HL
T5.18HL

Advanced Kinetics

T5.19HL
T5.20HL
T5.21HL
T5.22HL
T5.23HL

T6: Equilibrium

22 SL12 HL

Fundamental Equilibrium

T6.1SL
T6.2SL
T6.3SL
T6.4HL
T6.5SL
T6.6SL
T6.7HL

Acid-Base Equilibrium

T6.8SL
T6.9SL
T6.10SL
T6.11SL
T6.12SL

Buffers and Titrations

T6.13SL
T6.14SL
T6.15HL
T6.16SL
T6.17SL
T6.18SL
T6.19SL
T6.20SL
T6.21SL

Solubility Equilibrium

T6.22SL
T6.23SL
T6.24SL
T6.25SL
T6.26HL
T6.27HL

Advanced Equilibrium

T6.28HL
T6.29HL
T6.30HL
T6.31HL
T6.32HL
T6.33HL
T6.34HL

T7: Redox/Electrochemistry

11 SL14 HL

Redox Fundamentals

T7.1SL
T7.2HL
T7.3SL
T7.4SL
T7.5HL

Galvanic Cell

T7.6SL
T7.7SL
T7.8SL
T7.9SL
T7.10SL
T7.11SL
T7.12HL
T7.13HL
T7.14HL

Electrolysis

T7.15SL
T7.16SL
T7.17HL

Advanced Electrochemistry

T7.18HL
T7.19HL
T7.20HL
T7.21HL
T7.22HL
T7.23HL
T7.24HL
T7.25HL

T8: Atomic Structure/Periodicity

18 SL4 HL

Atomic Models

T8.1SL
T8.2SL
T8.3SL
T8.4SL
T8.5SL
T8.6SL
T8.7SL

Orbitals and Nodes

T8.8SL
T8.9SL
T8.10SL
T8.11SL

Electron Configuration

T8.12SL
T8.13SL
T8.14SL
T8.15SL

Periodicity

T8.16SL
T8.17SL
T8.18SL
T8.19HL
T8.20HL

Advanced Atomic Structure

T8.21HL
T8.22HL

T9: Bonding/Molecular Structure

13 SL15 HL

Bond Models

T9.1SL
T9.2SL
T9.3SL
T9.4SL

Lewis Structures

T9.5SL
T9.6SL
T9.7SL
T9.8SL
T9.9HL

Molecular Geometry

T9.10SL
T9.11SL
T9.12SL
T9.13HL

Bond Theories

T9.14SL
T9.15SL
T9.16HL
T9.17HL
T9.18HL
T9.19HL
T9.20HL

Coordination Chemistry

T9.21HL
T9.22HL
T9.23HL
T9.24HL
T9.25HL
T9.26HL
T9.27HL
T9.28HL

T10: Organic/Biochemistry

22 SL25 HL

Fundamental Organic

T10.1SL
T10.2SL
T10.3SL
T10.4SL
T10.5SL

Isomerism

T10.6SL
T10.7SL
T10.8SL
T10.9HL
T10.10HL
T10.11HL

Organic Reactions

T10.12HL
T10.13HL
T10.14SL
T10.15SL
T10.16HL
T10.17SL
T10.18HL
T10.19HL
T10.20SL
T10.21HL
T10.22SL
T10.23HL
T10.24SL
T10.25SL

Biochemistry

T10.26SL
T10.27SL
T10.28SL
T10.29SL
T10.30SL
T10.31SL

Advanced Organic

T10.32HL
T10.33HL
T10.34HL
T10.35HL
T10.36HL
T10.37HL
T10.38HL
T10.39HL
T10.40HL
T10.41SL
T10.42HL
T10.43HL
T10.44HL
T10.45HL
T10.46HL
T10.47HL

Ready to Master These Objectives?

Practice with our mock exams and track your progress.

Take Mock ExamView Programs

Last updated: November 2025

Dr. Chen's Academy | Mock Exam System