Classify each of the following elements as a(n) alkali metal, alkaline earth metal, halogen, or noble gas.
a. sodium
b. chlorine
c. calcium
d. fluorine
e. xenon
f. potassium
Classify each of the following elements as a(n) alkali metal, alkaline earth metal, halogen, or noble gas.
a. sodium
b. chlorine
c. calcium
d. fluorine
e. xenon
f. potassium