Periodic table

• Periods
• Groups

• Same group
• Same period

A vertical column is called...

• group
• tower
• period
• crew

The blue atoms are called 

• metals
• nonmetals
• metalloids
• noble gases

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

The periodic table is arranged in order of...

• increasing atomic number

• increasing atomic mass

• decreasing atomic mass

• decreasing atomic number

At room temperature, most elements are classified as...

• non-metal

• metal

• mettalloids

• halogens

Which of the following is a property of non-metals?

• malleable (easily reshaped w/o breaking)

• brittle (easily broken)

• ductile (capable of being drown out into a wire or thread)