Across
- 2. a special gas used to fill balloons is unable to be burnt
- 3. the point of temp which a substance melts
- 5. the non metal which has a yellow color
- 6. the type of compunds which sodium chloride is in
- 9. the type of compounds which co2 is in
- 11. the charge of common magnesium ions
- 12. h2o
Down
- 1. gas with relative atomic mass of 35
- 4. each bromine atom has 45
- 7. the gas that can be the main cause of global warming
- 8. a substance which has one carbon and one oxegen atom in each molecule
- 10. the device used for measuring temp