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5 Written Questions

5 Matching Questions

  1. Elements
  2. Compound
  3. Wavelength
  4. Metals
  5. Mole
  1. a a substance that cannot be broken down into simpler substances by chemical means
  2. b a substance that consists of two or more elements chemicallhy bonded together in definite proportions
  3. c the number equal to the number of carbon atoms in exactly 12 of pure C
  4. d a class of materials that exhibit the properties of conductivity, malleability and ductility
  5. e in electromagnetic radiation, the distance measured from crest to crest of one complete wave or cycle

5 Multiple Choice Questions

  1. the dense core of an atom that contains protons and neutrons
  2. an energy state of an electron determined by a specific arrangement based on the quantum numbers
  3. the energy requried to remove an electron from a gaseous atom at ground state
  4. a positively charged atom or molecule
  5. elements that do not exhibit the properties of conductivity, malleability and ductility

5 True/False Questions

  1. Electrona neutral particle located in the nucleus with a charge of zero


  2. Atomsthe smallest part of a chemical element that retains the properties of the element


  3. Physical Propertiesthe manner in which substances change structure when rearranging during a chemical change


  4. Neutrona negatively charged subatomic particle located outside of the nucleus of the atom


  5. Isotopesa positively charged subatomic particle located in the nucleus of an atom


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