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Practical 4-I-Physics

共 32 题，免注册就能免费游玩：A colleague asks what 'matter' means in dental radiology, since X-rays interact with it. Which definition applies? / Two samples are said to contain the same chemical element. What must the atoms of both samples share? / An atom has 6 protons and 8 neutrons. What name is given to th

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  • 共 32 题

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  • 1. Quiz: A colleague asks what 'matter' means in dental radiology, since X-rays interact with it. Which definition applies?
  • 2. Quiz: Two samples are said to contain the same chemical element. What must the atoms of both samples share?
  • 3. Quiz: An atom has 6 protons and 8 neutrons. What name is given to the value 14 obtained by adding them?
  • 4. Quiz: In its ground state an atom shows no net electrical charge. Which relationship explains this neutrality?
  • 5. Quiz: Carbon-12 and carbon-14 are the same element with different mass. What relationship defines them as isotopes?