Emission Spectrum

True or False: The ground state is the highest energy state of an atom.

• True

• False

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NGSS.HS-PS1-2

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

• Absorb energy
• Release energy

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NGSS.HS-PS1-4

What is the light that you can see called?

• observatory light

• ultraviolet light

• visible light

• infrared light

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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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NGSS.HS-PS4-3

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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NGSS.HS-PS4-3

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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NGSS.HS-PS4-1

NGSS.HS-PS4-3

The unknown emissions spectra belongs to the element

• Hydrogen

• Mercury

• Neon

• Sodium

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NGSS.HS-PS1-1

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NGSS.HS-PS4-4

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

• absorbs energy

• releases energy

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NGSS.HS-PS1-4

Which EM waves have the longest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

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NGSS.HS-PS4-1

Which EM waves have the shortest wavelength?

• radio

• x-rays

• ultraviolet

• gamma rays

Tags

NGSS.HS-PS4-1