Chemistry Ch 5 Review Sections 1 and 2

In the photo, which letters represents wavelength?

• A

• B

• C

• D

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NGSS.HS-PS4-1

How many p orbitals are there?

• 1

• 2

• 3

• 5

SI unit for frequency is the ______, which is equal to one wave per second.

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NGSS.HS-PS4-1

A(n) _____ is the minimum amount of energy that can be lost or gained by an atom.

• valence electron

• electron

• quantum

• Planck's constant

Each element has a unique atomic emission spectrum.

• True

• False

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NGSS.HS-PS4-3

Kind of energy that behaves like a wave as it travels through space.

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

If three times the length of wave A passes a point every second, what is the frequency of the wave?

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NGSS.HS-PS4-1

• .08 m

• 0.8 m

• 8.0 m

• 80 m

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NGSS.HS-PS4-1

Which type of electromagnetic waves, you have to choose from, has photons of the lowest energy?

• microwaves

• infrared

• x-rays

• ultraviolet

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NGSS.HS-PS4-1

NGSS.HS-PS4-4

The modern model of the atom that treats electrons as waves.

• Heisenberg uncertainty principle

• quantum mechanical model of the atom

• atomic orbital

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NGSS.HS-PS4-3