Metals and Nonmetals
Elements are classified as metals, nonmetals, and metalloids.
Metals are shiny good conductors of heat and electricity, malleable, ductile, and usually are hard. They are located on the left side of the periodic table.
Nonmetals are dull, not malleable, not ductile, poor conductors of heat and electricity. They are located on the right side of the periodic table.
Metalloids have properties of both metals and nonmetals and are located on the zig-zag line on the periodic table.