Periodic Table

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.

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

What are the horizontal rows on the periodic table called?

• periods

• groups

• metals

• nonmetals

• metalloids

How many protons and electrons does nickel have?

• 28

• 58.69