Unit 2 Review

Line emission spectrum shown below happens when

• Electron transition from lower to higher energy level.
• Electron transition from higher to lower energy level.
• Electron exist in fixed energy states
• Electron transition between different energy levels.

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Violet light has the MOST energy of the visible light spectrum.

• True

• False

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What is the light that you can see called?

• observatory light

• ultraviolet light

• visible light

• infrared light

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The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

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A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low

• high, high

• low, high

• low, low

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How many electrons can the d sublevel hold?

• 8
• 10
• 2
• 4

What is the maximum number of electrons that an s orbital can have?

• 1 electron

• 2 electrons

• 3 electrons

• 4 electrons

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

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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

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This orbital diagram represents:  

• C
• B
• N
• O

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