Periodic Table

9/10/14

Two sections

• Metals: left side• Nonmetals right side

Metals

• Conductors of heat and electricity• Most are solid at room temp (except Hg)• Luster-reflect light• Malleable-can be hammered into sheets• Ductile-can be drawn into wires

Nonmetals

• Gases or brittle solids• Not malleable or ductile• Don’t conduct• Not shiny• Often found in your body

Metalloids

• Metalloids are along the “stair case line”• Separate metal and nonmetal sections• Have properties of both!

Groups

• Sometimes called families• Have similar properties• Are columns on the periodic table• Some have special names

Periods

• Are rows on the periodic table• have the same number of electron energy

levels