Across
- 2. the second product formed in neutralisation along with a salt
- 5. contains only one type of atom
- 7. blue litmus paper will be this colour in an acid
- 11. has the chemical formula CO2
- 12. orbit the nucleus in shells
- 16. blue litmus paper will be this colour in a neutral solution
- 17. does not react chemically with other elements
- 18. has chemical symbol C
- 19. has a pH value above 7
Down
- 1. number of the group in the periodic table with highly reactive non-metals
- 3. gas given of when an acid reacts with a metal
- 4. neither an acid nor a base
- 6. acid found in your stomach
- 8. name given to the inert gases in group 8 of the periodic table
- 9. carbon dioxide is given off when metal reacts with this liquid
- 10. a chemical that changes colours in acids or bases
- 13. contains two or more elements chemically bonded
- 14. in the nucleus of an atom are protons and ___________
- 15. an atom that has lost or gained an electron