1.
An electron that is in the highest occupied energy level of an atom
2.
Elements that are good conductors of heat and electric current
3.
Colorless, odorless, and extremely unreactive gases
4.
The phase change in which a substance changes directly from a gas to a solid
5.
Process that changes a substance from a liquid to a gas below the substance’s boiling point
6.
The ability of a material to burn
7.
The ability of a material for allowing heat to flow
8.
A substance that can be broken down into two or more simpler substances
9.
A type of bond that holds cations and anions together
10.
A type of bond in which two atoms share a pair of valence electrons
