Macromolecules Lesson 4

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Across
  1. 5. Crab on (anag.) can form up to 4 single bonds [6]
  2. 7. element no. 92, warning...can go nuclear! [7]
  3. 8. type of bond which involves the transfer of electrons [5]
  4. 9. Russian who first devised the periodic table [9]
Down
  1. 1. the lightest element in the Perioidic table [8]
  2. 2. scientist who came up with the exclusion principle [5]
  3. 3. bond in which valence electrons are shared [8]
  4. 4. 6 electrons are shared in this bond [6]
  5. 6. the name of the columns on a Periodic table [6]