Across
- 3. group of atoms together
- 4. central/most important part of a substances
- 6. metal: opposite of metal
- 7. drawn into wires
- 10. break easily
- 12. a stable subatomic particle
- 13. bendy
- 15. number: number of protons in atom
- 17. test: test for hydrogen
- 18. number: number of protons and neutrons
- 19. part of something abstract
Down
- 1. a substance from mixing other substances together
- 2. element, metals, non metal
- 5. of electricity: flow of electric charge
- 8. a stable substance with charge of negative electricity
- 9. a subatomic particle
- 11. very small thing
- 14. giving off a reflecting much light
- 16. formed by elements or parts
- 18. hard, shiny, malleable, fusible, ductile solid