Reactions
Energy
Atoms
Petroleum
Periodic Table
100

The substances that are on the left side of a chemical equation

What are Reactants?

100

The temperature at which a substance changes from solid to liquid or liquid to a solid.

What is a melting point or freezing point?

100

The total number of neutrons and protons in an element

What is atomic mass of an element?

100

Compounds that are made of carbon-carbon and carbon-hydrogen bonds

What are hydrocarbons? What are Alkanes?

100

Elements that have a full outer shell of electrons

What are noble gases? What are the elements in the last Group (row) of the Periodic Table?

200

Type of reactions that takes in energy from the environment

What is endothermic?

200

Energy stored in the bonds between atoms in a molecule

What is Chemical (or potential) energy?

200

Where electrons are found in atoms

What is an electron shell (orbital)?

200

A mixture of hydrocarbons that was formed from decaying organic material buried underground for millions of years

What is petroleum?

200

Elements that tend to form +1 ions

What are Alkali metals?  What are the elements in the first group (row) of the Periodic Table?

300

Substances that are shown on the right side of a chemical equation

What are Products?

300

The temperature at which molecules of a liquid move fast enough to overcome intermolecular forces of attraction 

What is a boiling point?

300

The unit of measurement for the number of atoms in 12 grams of Carbon 12.

What is a mole?

300

A process that is used to separate  hydrocarbons with different boiling points by heating them

What is fractional distillation?

300

Elements that tend to form -1 ions

What are Halogens? What are the elements in the next to last group (row) in the periodic table?

400

Type of reaction that gives off energy

What is Exothermic?

400

Energy that results in movement of a car.

What is rotational (kinetic) energy?

400

Elements that have same number of protons but different number of neutrons

What are isotopes?

400

The type of forces that explain the increase in Boiling Points as the length of carbon chain increases in a series of alkanes

What are intermolecular forces? What are Van der Waals forces?

400

The type of bonds that are formed when atoms share valence electrons

What is a covalent bond?

500

The number that is written in front of a molecule's formula in a chemical equation

What is the number of moles (or molecules) of that substance in the equation?

500

When one gets a large amount of useful energy from a given amount of stored chemical energy  

What is high energy efficiency?

500

6.023*1023

What is Avogadro's Number?

What is the number of atoms in a mole?

500

The products of a chemical reaction between Propane and Oxygen?

What are Carbon Dioxide, Water and energy?

500

The type of bond that is formed when an electron is completely transferred or jumps from its atom to another atom and forms electrically charged atoms.

What is an ionic bond?