Across
- 4. It's atomic weight is 20.18
- 6. Group that has +2 ion charge
- 7. The only gas in group 1
- 9. The number that is on top of the symbol
- 10. An element that has 196.966.569 as average atomic mass
- 12. It has a symbol Mg
- 13. A group that is caleed carbon family
- 14. They come between group 2 and 13
- 17. A element that has 6 in her atomic number
- 19. Last group in the transition metals
- 21. Has 50 in it's atomic number
- 23. Has a symbol v
- 24. Has a symbol Li
Down
- 1. It has a symbol Hg
- 2. Number of groups in the periodic table
- 3. Comes under the atomic number
- 5. Has a symbol Db
- 7. The name of group 17
- 8. A group that has hydrogen
- 9. The number that is under the name of the element
- 11. It's either metals or non metals but it has halogens, noble gases, and others.
- 12. Semiconductors
- 13. The group is called halogens
- 15. The name of group 18
- 16. Has a symbol Ti
- 18. Has 6 in her atomic number and it's in group 17
- 20. It has a symbol K
- 22. Something that gives the aproval for the systemic names and symbols for elements greater than 111 to be used