The Periodic Table

What is the periodic table used for?

• To organize all known elements

• To list all known animals

• To display famous scientists

• To show the history of Earth

What percentage of the elements are metals?

• 25%

• 75%

• 50%

• 100%

What does the atomic number of an element represent?

• The number of electrons

• The number of protons

• The number of neutrons

• The number of atoms

Why are metals grouped together on the periodic table?

• Because they are all shiny

• Because they share similar qualities

• Because they are all rare

• Because they are all liquids

What is water classified as?

• A compound

• A gas

• A metal

• An element