Across
- 2. The columns of the Periodic Table
- 3. Superman's home planet and a Noble Gas
- 6. Most abundant element in the Earth's Crust
- 8. Also known as Rare Earth Metals
- 10. This family includes 3 of the oldest elements
- 11. Building Blocks of Matter
- 13. This family is also known as the Nitrogen Group
- 15. Includes shiny and silvery-white elements
- 18. Also called the fluorine group
- 19. Symbol is O
- 20. Something to represent an element
Down
- 1. The symbol is Cu
- 4. Consists of many, shiny and strong metals
- 5. The group on the right end of the Periodic Table
- 7. A family that consist no metallic elements
- 9. It has elements that are shiny, soft and highly reactive
- 12. Highly reactive elements
- 14. The rows of the Periodic Table
- 16. Found in supernovas and is very strong
- 17. Has elements that are in the middle of nonmetals and metals