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What is an emission spectrum?

• A continuous range of all possible wavelengths of light

• A set of specific wavelengths of light emitted by atoms or molecules

• The absorption of all wavelengths of light

• The reflection of light from a surface

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What causes the emission of light in an atom?

• Electrons moving to higher energy levels

• Electrons moving to lower energy levels

• Protons moving between energy levels

• Neutrons leaving the nucleus

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Which equation relates the energy of a photon to its wavelength?

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• Frequency of light

• Energy of light

• Wavelength of light

• Speed of light

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When an electron falls from a higher energy level to a lower one, what is emitted?

• A neutron

• A photon

• A proton

• An electron

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Which of the following best describes a line spectrum?

• A spectrum with all colors blended together

• A spectrum with only a few specific colors or lines

• A spectrum with no colors

• A spectrum with only red and blue colors

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What is the main reason each element has a unique emission spectrum?

• Each element has a different number of protons

• Each element has a unique arrangement of electrons and energy levels

• Each element has a different mass

• Each element has a different number of neutrons

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• Planck’s constant

• Speed of light

• Avogadro’s number

• Boltzmann constant

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What is the relationship between the energy of a photon and its wavelength?

• Directly proportional

• Inversely proportional

• No relationship

• Both increase together

Which part of the atom is responsible for the emission of light?

• Nucleus

• Protons

• Electrons

• Neutrons

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