Science Crossward

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Across
  1. 4. an element in group 1, also a nirvana song
  2. 6. name of the type of metals in the center of the periodic table
  3. 8. name of the gases in group 8
  4. 9. name of group 7
Down
  1. 1. nationality of the creator
  2. 2. name of the blue/purple side of a ph scale
  3. 3. multiple elements that aren't chemically combined
  4. 5. surname of the periodic table creator
  5. 7. word for an unreactive element