Chemistry


Links to the Questions pages are shown below. We provide these questions as a service.  PLEASE honor our usage policy. Our questions are NOT to be placed on other websites. Doing so poses a risk to the security and the effectiveness of our Concept Builder tool. And in the end, such actions interfere with the efforts of other Physics teachers who wish to use this tool.

 

The Chemistry Lab

Lab Safety

Lab Equipment

Lab Procedures


 

Units and Measurement

Measurement and Numbers

Significant Digits and Measurement

Metric System

Metric Estimation 

Metric Conversions


 

Properties of Matter

Classification of Matter

Name That Element

Chemical vs. Physical Properties

Density Ranking Tasks

Metals, Nonmetals, and Metalloids

Particles .. Words .. Formulas

Subatomic Particles

Isotopes


 

Chemical Reactions

Names to Formulas 1

Names to Formulas 2

Formulas and Atom Counting

Molar Mass

Balancing Chemical Equations

Chemical Reaction Types

Writing Balanced Chemical Equations

Precipitation Reactions



 

Stoichiometry

Mole Conversions

Elemental Measures (a.k.a., Stoikheion-metry)

Stoichiometry Law Breakers

Stoichiometry: Relationships

Mass Stoichiometry

Limiting Reactants




 

Atomic and Molecular Models

Atomic Models

Line Spectra

Quantum Mechanics

Complete Electron Configurations

Periodic Trends

Ionic Bonding

Bond Polarity

Lewis Structures

Valence Shell Electron Pair Repulsion Theory

Molecular Polarity​



 

Thermal Chemistry and Thermodynamics

Measuring the Quantity of Heat

Which One Doesn't Belong? - Energy and Chemical Reactions

Enthalpy Change

Thermal Stoichiometry

Heat of Formation

Hess's Law

Entropy​

Spontaneity and Driving Forces

Gibb's Free Energy


 

Solids, Liquids, and Gases

States of Matter

Intermolecular Forces

Pressure Concepts

Pressure and Temperature

Volume and Temperature

Pressure and Volume 


 

Acids, Bases, and Solutions

Dissociation

Molarity Ranking Tasks

Molarity Calculations

Which One Doesn't Belong? - Acid-Base Properties

Bronsted-Lowry Model of Acids and Bases

pH and pOH


 

Equilibrium and Kinetics

Collision Model of Reaction Rates

The Equilibrium Concept

Equilibrium Constant Expression

Equilibrium Calculations

Equilibrium ICE Tables

LeChatelier's Principle


 

Electrochemistry

Oxidation States

Oxidation-Reduction​

Galvanic Cells

Reduction Potential

Cell Voltage


 

Nuclear Chemistry

Nuclear Decay