Spectroscopy

What do spectroscopes do?

• Collect light to identify elements

• Refract light

• Absorb light

• Transmit 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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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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A line 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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When electrons of an element reach an "excited" state, ___ lines are produced.

• dark

• emission (bright)

• continuous

• invisible

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______________ is the energy that can travel through space in the form of waves. 

• telescopes
• electromagnetic spectrum
• observatory

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