Pre-Lab Quiz: Evaluate Atomic Spectra

When energy is applied to atoms, the electrons

• move to a higher state

• move to a lower state

• don't move

• instantly release photons of light

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When do atoms release photons of light?

• when the electrons are promoted to a higher energy state

• when the electrons fall back down to a lower energy state

• the electrons don't move and a photon is released `

• Atoms release photons spontaneously

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What is the energy we are applying to the atoms in this lab?

• electricity

• fire

• visible light

• microwaves

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What food item are you igniting in this lab to determine which substances are contained in it?

• banana chip

• almonds

• gravy

• peanut butter

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What particle do atoms release after the electrons relax back down to a lower energy state?

• photon

• wave

• quantum

• proton

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What is the speed of light?

• 3.0 x 10^8 m/s

• 450,000 m/s

• speed of light changes

• 3.0 x 10^4 m/s

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What is an element's signature of emitted wavelengths of light called?

• Emission spectrum

• nuclear spectrum

• electron photon spectrum

• electromagnetic spectrum

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What color is the sun?

• orange

• white

• red

• red orange

What can split a color spectrum into individual colors?

• glass pyramid

• glass cube

• glass sphere

• glass prism

Electromagnetic radiation travels in the form of what kind of waves?

• transverse

• longitudinal

• compression

• ocean

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