Periodic table:

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

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

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

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Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

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Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

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The atomic number tells you what?  READ THE ANSWERS CAREFULLY

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

What does the 6 represent?

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

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These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

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Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

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The majority of elements on the periodic table are

• man made.
• nonmetals.
• metals.
• gases.

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Which of the following is not a property of metals?

• brittle
• malleable
• lustrous
• conductive