Across
- 4. A type of metal
- 6. Able to dissolve
- 8. A basic unit of a chemical element
- 9. How compact something is
- 11. A type of fuel we use
Down
- 1. Heat derived within the sub serfice of the earth
- 2. Flowing energy
- 3. The center most important part
- 5. Horizontal row in periodic table
- 7. Making a decision during this
- 10. Something composed of two or more elements
- 12. gets dissolved