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