The Periodic Table
Across
- 2. What word tells us 3 each kind of atom bonded together.
- 8. Name of the element with the symbol Cl.
- 9. which element is discovered first.
- 11. What 2 elements are combined in sodium chloride.
- 13. What is the last element in periodic table.
- 14. Non metal element that have greatest mass in first 20 elements.
- 15. What is 74th element in periodic table.
- 16. Which element has the smallest mass.
- 17. Name of the element with the symbol Si.
- 19. Which side of the periodic table are nonmetals.
Down
- 1. Who made periodic table.
- 3. What is the 22nd element.
- 4. Name of the element in the same period as oxygen.
- 5. what element is most common on earth.
- 6. what is the most rarest element on the world. symbolic name is At 85th element
- 7. What 3 elements are combined in lithium sulfate. (symbol)
- 10. What is the 8th element.
- 12. Atoms with the greatest mass in the first 20 elements.
- 18. Name of the element with the symbol C.
- 20. What is called columns in the periodic table.