Across
- 2. What element symbol is Li
- 6. The elements in group 18 that are odorless and non-reactive
- 10. The metals in group two that are soft and reactive
- 14. What element symbol is O
- 16. What element symbol is Y
- 17. What element symbol is Ni
- 18. What element symbol is Ce
- 19. What element symbol is K
- 23. The elements that are good conductors of heat and electricity
- 25. What element symbol is H
- 26. What element symbol is Po
- 28. What element symbol is At
- 29. A horizontal row of elements in the periodic table
- 30. A vertical column in the periodic table
Down
- 1. The soft metal elements in group 1 that are very reactive in water
- 3. What element symbol is Kr
- 4. Matter made up of one kind of atom
- 5. number The total number of protons and neutrons in the nucleus of an atom
- 7. The elements in group 17 that have colored vapors
- 8. What element symbol is Hf
- 9. What element symbol is Cf
- 11. The metallic elements in groups 3 and 13 on the periodic table
- 12. number The number of protons in the nucleus of an atom
- 13. What element symbol is Na
- 15. The name of elements that do not have properties of a metal
- 20. What element symbol is W
- 21. What element symbol is Sg
- 22. The creator of the periodic table of the elements
- 24. What element symbol is Mo
- 27. Elements such as Boron and Silicon that are neither metals or nonmetals