Across
- 3. Newtons/metre2
- 4. a region of burning gases
- 6. discovered by Sir William Crooke
- 8. α-particle scattering experiment
- 9. ore of which is calamine
- 10. element with atomic mass- 200
Down
- 1. The process by which a solid substance transforms into its vapour state on heating
- 2. any of two or more physical forms in which an element can exist
- 5. manmade amorphous form of carbon which is used as a fuel
- 7. only non-metal that exists as a liquid at room temperature