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5 Written questions

5 Matching questions

  1. Avogadro's Number
  2. Compound
  3. Proton
  4. Electron Configuration
  5. Isotopes
  1. a atoms of the same element with identical atomic numbers but different atomic masses due to different number of neutrons in the nucleus
  2. b a large number that equals the number of particles in a mole 6.022 X 10^23
  3. c a positively charged subatomic particle located in the nucleus of an atom
  4. d a substance that consists of two or more elements chemicallhy bonded together in definite proportions
  5. e the systematic distribution of electrons in the energy levels of an atom

5 Multiple choice questions

  1. determined by adding the mass of the protons and neutrons of the atom
  2. a class of materials that exhibit the properties of conductivity, malleability and ductility
  3. the energy requried to remove an electron from a gaseous atom at ground state
  4. elements that do not exhibit the properties of conductivity, malleability and ductility
  5. the manner in which substances change structure when rearranging during a chemical change

5 True/False questions

  1. Wavelengthin electromagnetic radiation, the distance measured from crest to crest of one complete wave or cycle

          

  2. Anionsa negatively charged atom or molecule

          

  3. Nucleusthe dense core of an atom that contains protons and neutrons

          

  4. Atomsa negatively charged atom or molecule

          

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

          

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