Across
- 3. elements with both metal and non-metal properties
- 6. two types of reaction that can be single or double
- 8. the horizontal rows of the periodic table
- 11. a chemical that changes colour depending on pH
- 14. the vertical columns of the periodic table
- 15. the chemicals used up in a reaction
- 17. a type of reaction with only one reactant
- 18. a type of reaction with only one product
- 19. a new solid product made in a reaction
- 20. a wooden stick used for gas tests
Down
- 1. chemical name for vinegar
- 2. ion found in many bases
- 4. a reactive group of non-metals that includes chlorine
- 5. an indicator paper that can be red or blue
- 7. another word for basic
- 9. can destroy metals and cause burns
- 10. the chemicals made in a reaction
- 12. compounds that are made by the transfer of electrons
- 13. the electrons on the outermost electron shell
- 16. compounds that are made by the sharing of electrons