Across
- 2. the strongest metal
- 4. when two elements share an electron
- 5. the main metal used in wires
- 8. used in armor by knights
- 9. when an electron is transferred between electrons
- 11. the last element on the periodic table
- 13. something that can be positively charged or negatively charged
- 15. the first element in the periodic table
- 19. the most reactive element
- 21. a negatively charged ion
- 23. the thing that the world is made up of
- 25. used in pencils
- 26. the thing you breath
Down
- 1. the rarest element
- 3. very valuable metal
- 6. the name for rows in the periodic table
- 7. the chemicals commonly found in pool water
- 10. a positively charged ion
- 12. the element with the electron configuration 2,8,1
- 14. the element with a valence shell of 5
- 16. number 10 of the periodic table
- 17. the first noble gas in the periodic table
- 18. the name for the coloumns
- 20. a substance that has metal like properties but is not a metal
- 22. the name of the electrons on the most outer layer
- 24. the trees breath this in