Match each vocabulary term to its definition.
a. electrons
b. metals
c. period
d. compound
e. solution
f. protons
g. group
h. metalloids
definition:
1. a horizontal row on the periodic table
2. negatively charged, subatomic particles
3. elements that are malleable, polish to a luster, conduct heat and electricity well and tend to lose electrons in a chemical reaction
4. a vertical column on the periodic table
5. elements with properties intermediate between those of metals and nonmetals
6. a homogeneous mixture whose particles are too small to reflect or scatter light
7. positively charged, subatomic particles found in the nucleus of the atom
8. two or more elements that have chemically combined