Chemistry Revision
Across
- 2. the type of salt produced when using nitric acid
- 3. Protons and neutrons are found in the __________ of the atom
- 4. the gas produced when a metal reacts with a acid
- 5. a non-metal found on the metal side of the periodic table
- 7. when an atom gains electron to become negative
- 12. soapy feel; reacts with an acid; releases hydroxide ion
- 13. tells us how many subatomic particles are in the nucleus of an atom
- 18. the type of salt produced when using hydrochloric acid
- 19. the neutral substance produced when an acid and a base react
- 21. A positively charged subatomic particle
- 22. will turn blue litmus red
- 23. Has protons, neutrons and electrons
- 24. the element in group 14, period 2
Down
- 1. the gas produced when a metal reacts with a carbonate
- 2. A neutral particle found in the center of the atom
- 6. The colour of a neutral substance on the pH scale
- 8. the name of the reaction between an acid and a base
- 9. the element in group 2, period 3
- 10. will turn red litmus blue
- 11. tells us how many protons an atom has
- 14. produces sulfate salts
- 15. the charge of a neutron
- 16. Found orbiting around the center of the atom; negatively charged
- 17. when an atom loses electrons to become positive
- 20. The charge of a proton
- 25. sour taste; reacts with a base; releases hydrogen ions