3. Identify each of the following elements as a metal, a nonmetal, or a metalloid:

a. Barium:
b. Sulfur:
c. A shiny element:
d. An element that is a gas at room temperature:
e. A noble gas:
f. Bromine:
g. Boron:
h. Silver:
i. A good conductor of electricity:
j. Bismuth:
k. Polonium:
l. Fluorine: