Across
- 4. Bohr-__ diagrams are drawings of atoms
- 7. A pure substance made of 2 or more elements
- 8. Has the symbol 'N'
- 9. Protons have a __ charge
- 10. The only non-metal whose name starts with 'F'
- 13. Diamonds are made of __
- 14. A row of the periodic table
Down
- 1. Anything that has mass and takes up space
- 2. The first popular rechargeable batteries
- 3. Has the symbol 'Na'
- 5. The Periodic Table of __
- 6. A mixture made when one substance dissolves in another
- 8. Electrons have a __ charge
- 11. The small, dense centre of an atom
- 12. Has the symbol 'Au'