Chemical Reactions Crossword

3. The smallest part of a substance that can exist on its own.
4. An ion with a positive charge.
8. An ion with a negative charge.
9. A reaction in which heat is absorbed.
10. The liquid that dissolves the solute.
12. This reaction occurs when two of more substances combine to form a single product.
13. This metal reaction occurs when a metal ion in a solution is replaced by another type of metal.
15. An ion that does not participate in a reaction yet remain in the solution.
16. This forms when reactants are mixed, chemically bonded.
19. When two ionic solutions are mixed and an insoluble solid forms.
20. The smallest particle of a chemical elelment containing protons, neutrons and electrons.
21. Substances combining to form a product.
24. Can be solid, liquid or gas at room temperature.
27. A molecule composed of two or more parts, elements

1. A type of ion made up of more than one atom. Eg. Sulfate, hydroxide.
2. A substance in its pure state, as distinguished from alloys, also is an element yielding positively charged ions in aqueous solutions of its salts.
5. A remark, comment, or statement based on what one has noticed or observed.
6. Unable to dissolve(in water)
7. Having the nature of or resembling jelly, especially in consistency.
11. The substance being dissolved.
12. The rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance.
14. Able to dissolve (in water).
17. A reaction in which heat is given off.
18. This reaction occurs when a compound is separated into smaller chemical species. The species formed can be elements or simpler compounds.
22. A substance that speeds up a chemical reaction while remaining unchanged itself.
23. This forms when a solute dissolves in a solvent.
25. The force of attraction that holds ions together in an ionic substance.
26. An atom that has either lost or gained electrons.