Here are the twenty-five practice quizzes currently available on **ChemQuiz.net**:

**Acid-Base Equilibrium Quiz**- calculate concentration, pH/pOH, K
_{a}/K_{b}of weak acids and bases - calculate percent ionization of weak acids & bases

- calculate concentration, pH/pOH, K
**Acid-Base Neutralization Quiz**- calculate analyte concentrations and titrant volumes for a variety of acid-base neutralizations
- strong-strong and weak-strong reactions

**Balancing, Identifying & Predicting Chemical Equations Quiz**- over 300 chemical equations to balance, identify and/or predict
- combination, decomposition, single replacement, double replacement and combustion

**Calorimetry Quiz**- multiple unit options; simple or word problems; grams and moles

**Chemical Equilibrium Quiz**(*new!*)- write chemical equilibrium expressions, convert between Kc and Kp, and calculate equilibrium constants and chemical quantities
- balanced and unbalanced equations; multiple unit options; simple or word problems

**Concentrations of Solutions Quiz**- calculate molarity (concentration) of a solution
- calculate concentrations and volumes involved in dilutions
- multiple unit options; simple or word problems; grams and moles

**Density Calculations Quiz**- calculate density, mass or volume of over 150 different materials
- g/cm
^{3}or k/m^{3}; simple or word problems

**Electron Configuration Quiz**- determine electron configuration or element from the first 102 elements

**Elements & Isotopes Quiz**- determine names, symbols and atomic numbers for main group, transition and inner transition elements (
*new!*) - name isotopes, determine isotope notation and count number of subatomic particles for hundreds of isotopes

- determine names, symbols and atomic numbers for main group, transition and inner transition elements (
**Enthalpy Calculations Quiz**- calculate heat absorbed or released by a chemical or physical change
- calculate quantity of a chemical required to absorb or release a given amount of heat
- multiple unit options; simple or word problems; chemical formulas or names

**Gas Laws Quiz**- Boyle’s Law, Charles’ Law, Gay-Lussac’s Law, Combined Gas Law & Ideal Gas Law
- multiple unit options; simple or word problems; chemical formulas or names

**Lewis Dot Structures Quiz**(*new!*)- draw and identify Lewis dot structures for the main group elements
- predict the number of bonds and charges of ions that elements can form based on their dot structures

**Light & Energy Quiz**(*new!*)- convert between photon frequency, wavelength and energy
- perform electron energy level and chemical bond dissociation energy calculations

**Mass Ratios & Percent Composition Quiz**- calculate mass ratios and percent composition of chemical compounds
- chemical formulas or compound names

**Molar Conversions Quiz**- convert between moles and a variety of units
- chemical formulas or compound names; simple or word problems

**Naming Compounds & Calculating Molar Masses Quiz**- name chemical compounds, both ionic & molecular
- calculate molar masses of chemical compounds, by formula & name

**Nuclear Reactions Quiz**- determine missing particle in nuclear decay equations
- isotope symbol problems & word problems

**Percent Error & Percent Yield Quiz**- calculate percent error and percent yield in chemical reactions
- word problems draw from hundreds of chemical compounds

**pH and pOH Calculations Quiz**- calculate pH and pOH from hydrogen ion (H
^{+}) and hydroxide ion (OH^{–}) concentrations - calculate hydrogen ion (H
^{+}) and hydroxide ion (OH^{–}) concentrations from pH and pOH

- calculate pH and pOH from hydrogen ion (H
**Scientific Notation Quiz**- convert between scientific notation and decimal notation
- fill-in-the-blank and multiple choice questions

**SI Conversions Quiz**- convert between SI prefixes (e.g., grams to milligrams)
- one-step and two-step conversions

**Significant Figures Quiz**- count significant figures (“sig figs”) in a variety of numbers in decimal or scientific notation
- perform simple arithmetic calculations and report answers with correct number of sig figs

**Solubility Quiz**- calculate solubility and K
_{sp}values for over 180 solutes - calculate the concentration of individual ions in a saturated solution
- multiple unit options; simple or word problems; chemical formulas or names

- calculate solubility and K
**Stoichiometry & Limiting Reagents Quiz**- stoichiometry and limiting reagents problems
- balanced and unbalanced equations; chemical formulas or names; grams, moles and particles
- calculate percent yield of a chemical reaction

**Thermochemical Equations Quiz**- over 100 thermochemical equations with heats of reactions
- stoichiometry and limiting reagents problems
- balanced and unbalanced equations; chemical formulas or names; grams and moles; percent yield

If you have any suggestions for new Chemistry quizzes, please fill out the contact form!