Across
- 3. anything that has makes and takes up space
- 4. A new substance formed in a chemical reaction
- 7. A compound that forms from a combination of two non-metals
- 8. The most reactive group of metals
- 9. Anything on the Periodic Table
- 12. a chemical reaction which one or more reactants can escape
- 14. Scientist famous for the billiard ball theory and the first atomic symbols
- 15. Organic catalysts found in your body
- 17. When Two nonmetals are combined
- 20. An element in between a metal and non-metal
- 22. A slow chemical reaction when metal is eaten away
- 23. Abbreviation for Workplace Hazardous Material Information System
- 25. A gas important for our survival
Down
- 1. Really reactive non-metals
- 2. The most unreactive non-metals
- 5. A combination of two or more substances
- 6. pounded or rolled into sheets
- 10. A negative charge in an atom
- 11. To eat away
- 13. A chemical reaction which forms a new substance and gives off energy
- 16. Mixture of two or more pure substances that look like one
- 18. a clouded mixture that can't be separated
- 19. The substances that react with one another
- 21. stretching metal into a long wire
- 24. The atomic symbol for Mercury
