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5 Written questions

5 Matching questions

  1. group 17
  2. Mendeleev
  3. 6.022 x 10^23
  4. photon
  5. conversion factor
  1. a a particle of electromagnetic radiation having zero mass and carrying a quantum of energy
  2. b a ratio of equivalent measurements
  3. c Avogadro's number
  4. d the first periodic table was published by_______
  5. e which group of elements is designated as the halogens?

5 Multiple choice questions

  1. the energy change that occurs when an electron is acquired by a neutral atom
  2. what color light has the longest wavelength?
  3. a broad generalization that explains a body of facts or phenomena.
  4. the total number of protons and neutrons that make up the nucleus of an isotope
  5. whether a bond will be ionic or covalent depends on the difference in ____________ of the atoms involved

5 True/False questions

  1. bond energythe energy required to break a bond between two covalently bonded atoms

          

  2. are similarthe electronegativities of f-block elements ________

          

  3. no, neverAre leading zeroes ever significant figures?

          

  4. molar masswhen one atom has a higher electronegativity than the other a _________ covalent bond will result

          

  5. polarwhen one atom has a higher electronegativity than the other a _________ covalent bond will result