Taxonomy Distribution Report

Overview

• Total Concepts: 500
• Number of Taxonomies: 14
• Average Concepts per Taxonomy: 35.7

Distribution Summary

Category	TaxonomyID	Count	Percentage	Status
Bonding and Structure	BOND	60	12.0%	✅
Kinetics	KIN	55	11.0%	✅
Thermodynamics	THRM	55	11.0%	✅
Acids and Bases	ACID	55	11.0%	✅
Equilibrium	EQBM	45	9.0%	✅
Intermolecular Forces	IMF	44	8.8%	✅
Chemical Reactions	RXNS	41	8.2%	✅
Atomic Structure	ATOM	37	7.4%	✅
Foundation Concepts	FOUND	25	5.0%	✅
Electrochemistry	ECHEM	25	5.0%	✅
Stoichiometry and Titration	STOI	24	4.8%	✅
Gas Laws and Behavior	GAS	16	3.2%	✅
Periodic Table and Trends	PTAB	10	2.0%	ℹ️ Under
Moles and Quantitative Analysis	MOLE	8	1.6%	ℹ️ Under

Visual Distribution

Bonding and Structure     ██████  60 ( 12.0%)
Kinetics                  █████  55 ( 11.0%)
Thermodynamics            █████  55 ( 11.0%)
Acids and Bases           █████  55 ( 11.0%)
Equilibrium               ████  45 (  9.0%)
Intermolecular Forces     ████  44 (  8.8%)
Chemical Reactions        ████  41 (  8.2%)
Atomic Structure          ███  37 (  7.4%)
Foundation Concepts       ██  25 (  5.0%)
Electrochemistry          ██  25 (  5.0%)
Stoichiometry and Titrati ██  24 (  4.8%)
Gas Laws and Behavior     █  16 (  3.2%)
Periodic Table and Trends █  10 (  2.0%)
Moles and Quantitative An    8 (  1.6%)

Balance Analysis

✅ No Over-Represented Categories

All categories are under the 30% threshold. Good balance!

ℹ️ Under-Represented Categories (<3%)

• Periodic Table and Trends (PTAB): 10 concepts (2.0%)
• Note: Small categories are acceptable for specialized topics
• Moles and Quantitative Analysis (MOLE): 8 concepts (1.6%)
• Note: Small categories are acceptable for specialized topics

Category Details

Bonding and Structure (BOND)

Count: 60 concepts (12.0%)

Concepts:

• 1. Chemical Bonds
• 1. Ionic Bonds
• 1. Covalent Bonds
• 1. Metallic Bonds
• 1. Bond Formation Energy
• 1. Ionic Compounds
• 1. Crystal Lattice
• 1. Lattice Energy
• 1. Cation Formation
• 1. Anion Formation
• 1. Polyatomic Ions
• 1. Naming Ionic Compounds
• 1. Writing Ionic Formulas
• 1. Transition Metal Ions
• 1. Lewis Dot Symbols
• ...and 45 more

Kinetics (KIN)

Count: 55 concepts (11.0%)

Concepts:

• 1. Reaction Rate
• 1. Rate of Disappearance
• 1. Rate of Appearance
• 1. Average Rate
• 1. Instantaneous Rate
• 1. Initial Rate
• 1. Rate Law
• 1. Rate Constant
• 1. Reaction Order
• 1. Zero Order Reactions
• 1. First Order Reactions
• 1. Second Order Reactions
• 1. Determining Reaction Order
• 1. Method of Initial Rates
• 1. Integrated Rate Laws
• ...and 40 more

Thermodynamics (THRM)

Count: 55 concepts (11.0%)

Concepts:

• 1. Thermodynamics
• 1. System and Surroundings
• 1. Open Systems
• 1. Closed Systems
• 1. Isolated Systems
• 1. Exothermic Reactions
• 1. Endothermic Reactions
• 1. Heat and Temperature
• 1. Heat Transfer
• 1. Specific Heat Capacity
• 1. Heat Capacity
• 1. Calorimetry
• 1. Coffee Cup Calorimeter
• 1. Bomb Calorimeter
• 1. Enthalpy
• ...and 40 more

Acids and Bases (ACID)

Count: 55 concepts (11.0%)

Concepts:

• 1. Acids
• 1. Bases
• 1. Arrhenius Theory
• 1. Bronsted-Lowry Theory
• 1. Lewis Acid-Base Theory
• 1. Conjugate Acid-Base Pairs
• 1. Conjugate Acid
• 1. Conjugate Base
• 1. Amphiprotic Substances
• 1. Autoionization of Water
• 1. Ion Product of Water Kw
• 1. pH Scale
• 1. pH Calculation
• 1. pOH
• 1. pH and pOH Relationship
• ...and 40 more

Equilibrium (EQBM)

Count: 45 concepts (9.0%)

Concepts:

• 1. Chemical Equilibrium
• 1. Dynamic Equilibrium
• 1. Equilibrium State
• 1. Forward Reaction
• 1. Reverse Reaction
• 1. Equilibrium Constant Kc
• 1. Equilibrium Constant Kp
• 1. Kc and Kp Relationship
• 1. Writing K Expressions
• 1. Homogeneous Equilibrium
• 1. Heterogeneous Equilibrium
• 1. Equilibrium Position
• 1. Reaction Quotient Q
• 1. Q vs K Comparison
• 1. Predicting Direction
• ...and 30 more

Intermolecular Forces (IMF)

Count: 44 concepts (8.8%)

Concepts:

• 1. Intermolecular Forces
• 1. Intramolecular Forces
• 1. IMF vs Chemical Bonds
• 1. London Dispersion Forces
• 1. Polarizability
• 1. Dipole-Dipole Forces
• 1. Hydrogen Bonding
• 1. Hydrogen Bond Requirements
• 1. Ion-Dipole Forces
• 1. IMF Strength Comparison
• 1. States of Matter
• 1. Kinetic Molecular Theory
• 1. Solids
• 1. Crystalline Solids
• 1. Amorphous Solids
• ...and 29 more

Chemical Reactions (RXNS)

Count: 41 concepts (8.2%)

Concepts:

• 1. Chemical Equations
• 1. Balancing Equations
• 1. Coefficients
• 1. State Symbols
• 1. Reaction Types Overview
• 1. Synthesis Reactions
• 1. Decomposition Reactions
• 1. Single Replacement
• 1. Double Replacement
• 1. Combustion Reactions
• 1. Activity Series
• 1. Solubility Rules
• 1. Precipitation Reactions
• 1. Complete Ionic Equations
• 1. Net Ionic Equations
• ...and 26 more

Atomic Structure (ATOM)

Count: 37 concepts (7.4%)

Concepts:

• 1. Subatomic Particles
• 1. Protons
• 1. Neutrons
• 1. Electrons
• 1. Atomic Number
• 1. Mass Number
• 1. Isotopes
• 1. Atomic Mass
• 1. Average Atomic Mass
• 1. Mass Spectrometry
• 1. Mass Spectrum Analysis
• 1. Relative Abundance
• 1. Bohr Model
• 1. Quantum Mechanical Model
• 1. Energy Levels
• ...and 22 more

Foundation Concepts (FOUND)

Count: 25 concepts (5.0%)

Concepts:

• 1. Matter
• 1. Energy
• 1. Atoms
• 1. Elements
• 1. Compounds
• 1. Mixtures
• 1. Physical Properties
• 1. Chemical Properties
• 1. Physical Changes
• 1. Chemical Changes
• 1. Scientific Method
• 1. Measurement
• 1. SI Units
• 1. Significant Figures
• 1. Dimensional Analysis
• ...and 10 more

Electrochemistry (ECHEM)

Count: 25 concepts (5.0%)

Concepts:

• 1. Electrochemistry
• 1. Galvanic Cells
• 1. Voltaic Cell Components
• 1. Anode and Cathode
• 1. Salt Bridge
• 1. Electron Flow Direction
• 1. Cell Notation
• 1. Standard Reduction Potential
• 1. Standard Hydrogen Electrode
• 1. Cell Potential Calculation
• 1. Spontaneous Cell Reactions
• 1. Nernst Equation
• 1. Nonstandard Conditions
• 1. Concentration Cells
• 1. Free Energy and Cell EMF
• ...and 10 more

Stoichiometry and Titration (STOI)

Count: 24 concepts (4.8%)

Concepts:

• 1. Stoichiometry
• 1. Mole-to-Mole Ratios
• 1. Mass-to-Mass Calculations
• 1. Limiting Reagent
• 1. Excess Reagent
• 1. Theoretical Yield
• 1. Actual Yield
• 1. Percent Yield
• 1. Solution Stoichiometry
• 1. Titration
• 1. Titration Curves
• 1. Equivalence Point
• 1. Indicator Selection
• 1. Gravimetric Analysis
• 1. Volumetric Analysis
• ...and 9 more

Gas Laws and Behavior (GAS)

Count: 16 concepts (3.2%)

Concepts:

• 1. Gases
• 1. Gas Pressure
• 1. Atmospheric Pressure
• 1. Ideal Gas Law
• 1. Ideal Gas Constant
• 1. Boyle's Law
• 1. Charles's Law
• 1. Avogadro's Law
• 1. Dalton's Law
• 1. Partial Pressures
• 1. Mole Fraction
• 1. Gas Stoichiometry
• 1. Molar Volume
• 1. Real Gases
• 1. Van der Waals Equation
• ...and 1 more

Periodic Table and Trends (PTAB)

Count: 10 concepts (2.0%)

Concepts:

• 1. Periodic Table Organization
• 1. Periods and Groups
• 1. Periodic Trends
• 1. Atomic Radius
• 1. Ionic Radius
• 1. Ionization Energy
• 1. Successive Ionization Energy
• 1. Electron Affinity
• 1. Electronegativity
• 1. Effective Nuclear Charge

Moles and Quantitative Analysis (MOLE)

Count: 8 concepts (1.6%)

Concepts:

• 1. Mole Concept
• 1. Avogadro's Number
• 1. Molar Mass
• 1. Mole Calculations
• 1. Percent Composition
• 1. Empirical Formula
• 1. Molecular Formula
• 1. Combustion Analysis

Recommendations

• ✅ Excellent balance: Categories are evenly distributed (spread: 10.4%)
• ✅ MISC category minimal: Good categorization specificity

Educational Use Recommendations

• Use taxonomy categories for color-coding in graph visualizations
• Design curriculum modules based on taxonomy groupings
• Create filtered views for focused learning paths
• Use categories for assessment organization
• Enable navigation by topic area in interactive tools

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Report generated by learning-graph-reports/taxonomy_distribution.py