Across
- 2. the man credited with making the periodic table
- 4. a negatively charged particle in an atom
- 8. Is labelled O on the periodic table
- 10. is written as c in the periodic table
- 11. The name of the thing that happens when multiple elements collide and do something
- 12. is the product of hydrogen and oxygen and is crucial to survival
Down
- 1. The table that shows all the elements
- 3. neutral particle in an atom
- 5. The element name for water
- 6. a school topic
- 7. a positively charged particle in an atom
- 9. The centre of an atom
- 10. Defined and consistent composition, natural or artificial