Periodic Table Test Review

In the modern periodic table elements are arranged by:

• increasing atomic mass
• increasing atomic number
• decreasing valence electrons
• decreasing number of isotopes

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• the mass number

Which group of the periodic table is composed of inert (not reactive) gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Elements which are shiny, conduct electricity and heat are called ___________.

• metal
• nonmetal
• metalloid
• nonexistent

Which element is not a metal?

• Fe
• Re
• Al
• B

The elements along the staircase are called ________.

• metals
• nonmetals
• metalloids
• noble gases

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

• Periods
• Groups

• Periods
• Groups