Periodic Table Unit Review

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

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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What does 12.011 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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The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• proton

• electron

• quark

• neutron

Neutron:

• A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• not able to conduct heat or electricity, little to no metallic luster

• A subatomic particle that has a negative charge

• A small particle in the nucleus of the atom, with no electrical charge