Across
- 2. has a pH of 7
- 5. made of 2 or more substances mingled together
- 7. turns milky white in presence of CO2
- 9. made of one type of atom only
- 10. separation of white light into its colours
- 16. method so see how much acid is needed to neutralise a base
- 18. when acid and base react to form salt and water
- 19. part of the atom with no charge (neutral)
- 22. chips used to make carbon dioxide
- 23. part of the atom that orbits the nucleus
- 26. made of 2 or more differenrt elements/atoms chemically combined
Down
- 1. gas produced when you combine a metal and an acid
- 3. unit for measuring current
- 4. used in submarines to see above water
- 6. slows down the flow of electricity
- 8. bouncing of light off a surface
- 11. bending of light when it passes from 1 medium to another
- 12. unit for measuring voltage
- 13. used to disperse light
- 14. liquid used to make oxygen
- 15. __________ metals group one on the periodic table
- 17. has a pH of less than 7
- 20. has a pH of more than 7
- 21. unit for measuring resistance
- 24. flow of electricity
- 25. equipment used in a titration to measure the acid
- 27. part of the atom with a positive charge