The periodic table

In the modern periodic table elements are arranged by:

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

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

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

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

If a material can easily be drawn into the shape of a wire, it is

• Ductile
• Magnetic
• Malleable
• Reactive

All the elements on the right side of the periodic table are called..

• Metals
• Metalloid
• Nonmetals

_______ are the ROWS on the periodic table.

• Families
• Groups
• Periods
• Elements

________ are the COLUMNS on the periodic table and are organized by similar properties.

• Classifications
• Groups
• Periods
• Elements

Which number is the atomic mass?

• 79
• 196.97

What does the atomic mass tell you?

• Basically,the number of electrons and protons
• The number of neutrons
• Basically, the number of protons and neutrons
• The number of protons.