Periodic Table and Lewis Dot Structure Review

How did Mendeleev arrange the elements?

• alphabetical 
• density
• melting point
• atomic mass

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The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

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A vertical column is called...

• group
• tower
• period
• crew

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The number at the bottom of each square on the periodic table is the ...

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

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The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

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What is the chemical symbol for Lithium?

• H
• He
• Li
• N

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Pure forms of these elements are stored in oil so they won't react with oxygen and water in the air.

• Alkali Metals
• Alkaline-earth metals
• Halogens
• Noble Gases

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• energy levels
• valence electrons
• protons
• neutrons

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How many electrons does Oxygen need to fill its outer shell?

• 3
• 4
• 1
• 2

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How many Valance electrons does Iodine Have?

• 6
• 16
• 7
• 17

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