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Physics, 21.06.2019 18:40, kandi2565
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Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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