Across
- 2. the smallest number next to an element
- 5. the columns of the periodic table
- 6. these elements are fully stable
- 7. nonmetals make these
- 9. the number of protons + neutrons
- 10. the rows of the periodic table
- 13. same number as element's group no
- 14. Carbon 12 Is this
- 16. same numbers as element's period no
Down
- 1. nonmetal and nonmetal bond
- 3. metals make these
- 4. Copper and Iron are these
- 8. react with Na
- 11. the elements on the left
- 12. the elements to the right
- 15. nonmetals and metals bonding