atomic emission spectra

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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NGSS.HS-PS4-3

NGSS.HS-PS4-1

NGSS.HS-PS4-4

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-PS4-3

NGSS.HS-PS4-1

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

• absorbs energy

• releases energy

The picture shows an atom in the ground state absorbing energy and the electron jumps to the excited state. Which state has higher energy?

• Ground State

• Excited State

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NGSS.HS-PS1-4

The number of wave cycles to pass a given point per unit of time.

• Amplitude

• Wavelength

• Frequency

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NGSS.HS-PS4-1

When atoms absorb energy, electrons ..............energy level

• move to higher

• move to lower

• stays in the same

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NGSS.HS-PS1-1