Answer
a. potassium, metal;
b. barium, metal;
c. iodine, nonmetal;
d. oxygen, nonmetal;
e. antimony, metalloid
Work Step by Step
a. K is the symbol for potassium on the periodic table. This is a metal since it lies of the left side of the periodic table. Elements that lie on the left side or in the middle of the periodic table are metals.
a. K is the symbol for potassium on the periodic table. This is a metal since it lies of the left side of the periodic table. Elements that lie on the left side or in the middle of the periodic table are metals.
c. I is the symbol for iodine on the periodic table. This is a nonmetal since it lies on the upper right side of the periodic table. Elements that lie on the upper right side of the periodic table are nonmetals.
d. O is the symbol for oxygen on the periodic table. This is a nonmetal since it lies on the upper right side of the periodic table. Elements that lie on the upper right side of the periodic table are nonmetals.
e. Sb is the symbol for antimony on the periodic table. This is a metalloid since it has both metal and nonmetal properties according to the periodic table.