What's the Matter with Chemistry?
Atomic Theory
Periodicity and Ionic Bonding
Covalent Bonding and Chemical Reactions
Stoichiometry
Gases and Solutions
Chemical Kinetics
100

The meaning of this symbol:

What is explosive?

100

The number of protons in an atom.

What is the atomic number?

100

A row in the periodic table.

What is a period?

100

The type of bond that has three pairs of electrons shared between atoms.

What is a triple covalent bond?

100

The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction.

What is stoichiometry?

100

The relationship between temperature and kinetic energy according to Kinetic Molecular Theory?

What is kinetic energy is directly proportional to temperature?

100

The study of energy transformations.

What is thermodynamics?

200

The name of the piece of equipment used in the lab to measure volume.

What is a graduated cylinder? 

200

The subatomic particles located in the nucleus of an atom.

What are protons and neutrons?

200

The name of the elements in group 17 of the periodic table.

What are halogens?

200

The name of PCl5.

What is phosphorus pentachloride?

200

The name of the conversion factor used to go from grams to moles.

What is molar mass?

200

The two units of concentration used in class.

What are percent by mass and molarity?

200

The type of reaction that releases energy in the form of heat.

What is an exothermic reaction?

300

The four states of matter.

What are solid, liquid, gas, and plasma?

300

Electrons in the atom's outermost orbitals.

What are valence electrons?

300

Ions with a positive charge.

What are cations?

300

The formula of hydrochloric acid.

What is HCl?

300

The name of the conversion factor used to go from moles to molecules.

What is Avogadro's number?

300

A heterogeneous mixture of intermediate-sized particles that does not settle out, nor can it be filtered apart.

What is a colloid?

300

A substance that increases the rate of a chemical reaction without being consumed in the reaction.

What is a catalyst?

400

A process that involves one or more substances changing into new substances.

What is a chemical change?

400

The overall name for s, p, d, and f.

What are energy sublevels?

400

The formula for the thiocyanate ion.

What is SCN-?

400

A reaction in which a single compound breaks down into two or more elements or new compounds.

What is a decomposition reaction?

400

The name of the conversion factor used to go from moles of one substance to moles of another.

What is mole ratio?

400

A helium balloon has a pressure of 5.00 atm at 20.0°C. Find the pressure if the temperature is increased to 40.0°C.

What is 5.34 atm?

400

The method used to determine reaction order by comparing the initial rates of a reaction carried out with varying reactant concentrations.

What is the method of initial rates?

500

The number of significant figures in 0.0052080.

What is five?

500

The name of this form of configuration and the element:

What is the orbital diagram for neon?

500

Periodic trend(s) that increases as you go across a row and decreases as you go down a column.

What are ionization energy and electronegativity?

500

The Lewis structure for carbon dioxide.

What is 

500

The molar mass of calcium chloride.

What is 110.98 g/mol?

500

The number of moles present in a gas sample with a pressure of 1.80 atm, a volume of 4.50 L, and a temperature of 300 K. 

What is 0.329 mol of gas?

500

The two things necessary for a reaction to occur according to Collision Theory?

What are proper orientation and sufficient energy?

600

The quotient of 2.0 x 1015 and 3.0 x 102

What is 6.7 x 1012?

600

The electron configuration for sulfur.

What is 1s22s22p63s23p4?

600

The name of Ca(NO2)2.

What is calcium nitrite?

600

Balance this equation: C3H8 (g) + O2 (g) → CO2 (g) + H2O (g).

What is C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O (g)?

600

The number of bromine molecules in 5.60 g.

What is 2.11 x 1022 bromine molecules?

600

The volume of 1.75 M calcium hydroxide stock solution you would use to make 0.500 L of 0.250 M calcium hydroxide solution.

What is 0.0714 L?

600

The type of reaction that has a negative enthalpy, a positive entropy, and a negative Gibbs free energy.

What is a spontaneous reaction?

700

The amount of milliliters in 5.8 x 102 ML.

What is 5.8 x 1011 mL?

700

The Noble Gas configuration for silver.

What is [Kr] 5s24d9?

700

The formula for iron(III) sulfite.

What is Fe2(SO3)3?

700

The products of Cu (s) + Fe(NO3)2 (aq).

What is no reaction?

700

The mass of water produced by the complete decomposition of 4.30 g of hydrogen peroxide.

2 H2O2 (aq) → 2 H2O (l) + O2 (g)

What is 2.28 g of water?

700

This is the new pressure of a gas that starts at 1.25 atm, 3.40 L, and 285 K, then is compressed to 2.10 L and heated to 330 K.

What is 2.34 atm?

700

A reactant has a concentration of 0.500 M at the start of a reaction. After 10.0 s, its concentration is 0.300 M. Find the average reaction rate.

What is 0.0200 M/s?

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