Across
- 1. 2 or more chemical elements
- 6. good conducting of heat
- 8. products of a chemical reaction must equal the mass
- 13. A wave function
- 15. negative charge
- 16. the turn out
- 18. # of protons in atom
- 20. vary small, has properties of of a chemical element.
- 21. outside
- 22. can't be broken up
- 23. represent
Down
- 2. positive charge
- 3. gaseous elements
- 4. only partially conduct heat
- 5. neutral charge
- 7. created the periodic table
- 9. pore conductor of heat
- 10. inside
- 11. outer ring
- 12. layer of metal bounded to the surface of another substance.
- 14. center of an atoms
- 17. mass of atom
- 19. substances present in chemical reaction