Atomic Spectra

Elements emit light when electrons return to their

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NGSS.HS-PS4-3

When an electron ​ (a)   energy, it moves to a higher energy state.

• absorbs

• releases

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NGSS.HS-PS1-4

When an electron is at its lowest energy state that is called the

If an electron drops from n=3 to n=1, in what form will electromagnetic radiation be emitted?

• photons

• protons

• beta particles

• alpha particles

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NGSS.HS-PS4-3

For an electron to move from n=1 to n=3,

• it must absorb an amount of energy equivalent to the energy difference between the shells.

• it must release an amount of energy equivalent to the energy difference between the shells.

• it must absorb a proton to neutralize its charge.

• it must absorb a neutron to increase its mass.

Which of the following transitions produces light with the longest wavelength?

• n=2 to n=1

• n=3 to n=1

• n=4 to n=2

• n=4 to n=3

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which of the following transitions produces a photon with the greatest energy?

• n=2 to n=1

• n=3 to n=2

• n=4 to n=2

• n=4 to n=3

Which of the energy level transitions shown would produce the photon with the shortest wavelength?

• n=1 to n=6

• n=6 to n=4

• n=6 to n=1

• n=4 to n=6

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which occurs if an electron transitions from n=5 to n=2 in a hydrogen atom?

• Energy is absorbed and visible light is emitted.

• Energy is released and visible light is emitted.

• Energy is released and visible light is not emitted.

• Energy is absorbed and visible light is not emitted.

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NGSS.HS-PS4-3

Consider the Bohr Model in your Chemistry Reference Tables. This is the Bohr Model for which element?

• helium

• neon

• hydrogen

• carbon-12

• uranium

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NGSS.HS-PS1-1