Atomic Absorption and Emission

The _______________ determines the color of visible light. 

• wavelength
• speed
• amplitude
• light

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Emission of light from an atom occurs when an electron

• drops from a higher to a lower energy level.
•    jumps from a lower to a higher energy level.   
•    moves within its atomic orbital.
• falls into the nucleus.

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Which drawing represents the process by which an absorption line is formed?

• A
• B
• C
• D

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The ground state is the ______________ energy state of an atom.

• highest

• lowest

For an electron to change from ground state to an excited stated it must...

• Absorb energy
• Release energy

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When talking about energy levels in an atom, what is an "excited state"?

• The highest energy state of an atom.
• Any level higher than the ground state.
• The lowest energy state of an atom.
• When an atom loses an electron

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Why are line emission spectra of elements called "atomic fingerprints"?

• They are all the same
• They are all unique
• They are all similar
• They all contain colored light

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An emission spectrum is produced when an electron moves from one energy level

• into the nucleus

• to a higher energy level

• to another position in the same sublevel

• to a lower energy level

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If an electron moves from n=4 to n=2 it ____

• absorbs energy

• releases energy

Emission spectra emitted by an element (or compound) will produce ___ through a spectroscope.

• bright lines

• a continuous rainbow

• dark lines

• white light

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