Across
- 2. A gaseous element on the Periodic table. We breathe this in for respiration.
- 3. A substances made of 2 or more atoms.
- 6. A table of all the elements, in which elements with similar properties are grouped together."
- 9. A metallic element on the Periodic Table.
- 10. A chemical element that exists in its pure form as diamond or graphite.
Down
- 1. A one or two letter code for an element.
- 4. A substance that cannot be broken down into other substances.
- 5. The change of state from liquid to gas, that occurs at boiling point."
- 7. A substance made of atoms of 2 or more elements joined together.
- 8. The smallest part of an element that can exist.