Periodic Table
Across
- 4. Temperature which turns a liquid into a solid
- 5. What elements make up
- 6. The ratio of the average mass of atoms of an element
- 7. Temperature which turns a liquid into a gas
- 10. title of substance
- 13. Vertical columns in the Periodic Table
- 15. What makes up matter
- 17. Has more than one type of molecule
- 18. How many groups are in the Periodic Table?
- 20. How many periods are there in the Periodic Table?
Down
- 1. First element in Periodic Table
- 2. Chart of the elements
- 3. Has one or more of the same type of molecules
- 8. Horizontal rows in the Periodic Table
- 9. Number of protons and Neutrons
- 11. Temperature which turns a solid into a liquid
- 12. The number of protons in an atom
- 14. Shortened version of the element’s name
- 16. How tightly packed something is
- 19. Symbol is Au