Chemistry Unit Review

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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NGSS.HS-PS1-1

Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

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This class of elements are sometimes called "semiconductors."

• Metals
• Nonmetals
• Metalloids
• Groups

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What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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NGSS.HS-PS1-1

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What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

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NGSS.HS-PS1-1

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How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

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NGSS.HS-PS1-1

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Identify the Electron Configuration for Aluminum (Al)

• 1s² 2s² 2p⁶ 3s² 3p¹
• 1s² 2s² 2p⁶ 3s² 3p³
• 1s² 2s² 2p⁶ 3s² 4p¹

Tags

NGSS.HS-PS1-1

How many electrons can the d sublevel hold?

• 8

• 10

• 2

• 5