Across
- 2. Not good of heat and electricity_______
- 4. The most powerful tool chemists have for organizing chemical info_______
- 6. A vertical column of elements is called a_________
- 7. The elements in a group have similar_________
- 9. Above the chemical symbol________
- 11. each element has a unique atomic number thats the number of___________
- 15. the seven horizontal rows are called______________
- 16. Found on the upper right of the periodic table___________
- 17. Moseley listed numbers in increasing order________
- 19. fewer than_______ had been discovered in mid 1800's
- 20. A one to two letter chemical_______
Down
- 1. You can find metals on the________
- 3. Below the symbol are names of its element and_________
- 5. number Listed on period table from increasing_______
- 8. Each element is represented by one________
- 10. You can predict a lot about the chemical________
- 12. What makes the periodic table really invaluable________
- 13. Found on the upper left of periodic table___________
- 14. have similar valence_______
- 18. Most elements are________