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5 Written questions

5 Matching questions

  1. Isotopes
  2. Nucleus
  3. Electron Configuration
  4. Atomic Mass
  5. Cations
  1. a a positively charged atom or molecule
  2. b determined by adding the mass of the protons and neutrons of the atom
  3. c the systematic distribution of electrons in the energy levels of an atom
  4. d the dense core of an atom that contains protons and neutrons
  5. e atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus

5 Multiple choice questions

  1. a neutral particle located in the nucleus with a charge of zero
  2. the manner in which substances change structure when rearranging during a chemical change
  3. in electromagnetic radiation, the number of waves per second or cycles per second
  4. a positively charged subatomic particle located in the nucleus of an atom
  5. the number of protons contained in an element

5 True/False questions

  1. Orbitalsa class of materials that exhibit the properties of conductivity, malleability and ductility


  2. Physical Propertiesany property of matter that doesn't change its chemical composition


  3. Nonmetalselements that do not exhibit the properties of conductivity, malleability and ductility


  4. Avogadro's Numbera large number that equals the number of particles in a mole 6.022 X 10^23


  5. Molethe number equal to the number of carbon atoms in exactly 12 of pure C


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