Across
- 4. Rows of the Periodic Table
- 5. Type of change without creating a new substance
- 8. element with 12 protons
- 12. Chemical Symbol P
- 16. Is Mg an element or a compound?
- 17. Father of the Periodic Table
Down
- 1. Is H2O an element or a compound?
- 2. Columns of the Periodic Table
- 3. Chemical Symbol K
- 6. Type of change that cannot be reversed
- 7. Chemical Symbol Na
- 9. 2 or more substances easily separated
- 10. A pure substance
- 11. 2 substances chemically combined
- 13. Second lightest element
- 14. Physical changes cannot be reversed (T/F)
- 15. How many elements in NaCO3?