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5 Written questions

5 Matching questions

  1. subatomic particles
  2. tracers
  3. trace elements
  4. major elements
  5. Chemistry
  1. a The science of the structure and interactions of matter.
  2. b The dozens of particles that compose atoms, namely protons, neutrons, and electrons.
  3. c Carbon, Hydrogen, Oxygen, and Nitrogen; they alone make up about 96% of the body's mass.
  4. d Radioisotopes used to follow movements of certain substances through the body.
  5. e The elements that make up the last .4% of the mass of the body.

5 Multiple choice questions

  1. Positively charged particles located within the nucleus of an atom.
  2. The number of protons in an atom.
  3. The dense central core of an atom where protons and neutrons are located.
  4. Indicates the elements and the number of atoms of each element that make up a molecule.
  5. The standardized unit of measurement for the mass of atoms and their subatomic particles.

5 True/False questions

  1. Calcium, Phosphorous, Sulfur, Potassium, Sodium, Chlorine, Magnesium, and IronThe eight lesser elements in the human body.

          

  2. neutrons (n⁰)Negatively charged particles located in a cloud, moving about the nucleus of an atom.

          

  3. mass numberThe number of protons in an atom.

          

  4. chemical elementsCalcium, Phosphorous, Potassium, Sulfur, Sodium, Chlorine, Magnesium, and Iron; make up about 3.6% of the body's mass.

          

  5. ionThe smallest units of matter that retain the properties and characteristics of the elements.

          

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