Across
- 3. how many groups?
- 4. element silver (Ag)
- 6. oldest element?
- 7. what is the first element in the table?
- 8. there are ____ elements in the periodic
- 9. how many elements are in sixth period?
- 13. "Li"?
- 14. _ are towards the left side of the
- 19. magnesium symbol?
- 21. three types of elements :metal ,nonmetal,_
- 23. most expensive metal
- 24. what is the other name of rows?
- 26. what is the element that has greatest
- 27. it was first discovered by observing sun
- 28. how many periods?
- 29. heaviest?
Down
- 1. when did he invented the
- 2. nonmetals are towards the __side of the
- 5. what is the country that is named after
- 10. the table
- 11. Oganesson
- 12. out of first 20?
- 15. million different compounds
- 16. J is the only ___ which is not
- 17. inventor?
- 18. rarest ,largest and most expensive one?
- 20. what is other name of columns?
- 22. __is unique cause is known to form up to
- 25. most dangerous