We are exposed to non-medical ionizing radiation everyday categorized as natural or background radiation.
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Q42: Electromagnetic energy cannot travel through a vacuum.
Q43: When the alpha particle picks up two
Q44: A negatively charged beta particle behaves the
Q45: The half-life of technetium-99m is 6 hours.
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Q48: Half-life is
A) the rate at which a
Q49: The beta particle is an electron that
Q50: All electromagnetic radiation travels at the same
Q51: Electromagnetic radiation has properties of a wave
Q52: As compared to an alpha particle, a
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