Chemistry Crossword Puzzle

3. Regular arrangement of alternating positive and negative ion
8. Substance formed when metal reacts with water
12. Reaction between an acid and a base that produces salt and water
13. The physical change from a solid to liquid
14. Elements are made up of atoms, which contain protons, neutrons, and electrons
16. Suspension in which particles are permanently suspended
17. Where a liquid turns into a gas at a temperature below its boiling point; this takes place at the surface of a liquid.
18. Suspension of 2 liquids
19. Increases the rate of a reaction and is unchanged at the end of the reaction.
21. The process in which particles mix by colliding randomly with each other and bouncing off all directions
22. Use of chemicals to make particles in a suspeninsion clump together
25. Measured by thermometer
27. Substance that metal reacts to release hydrogen
28. A charged atom or a group of ion formed by the loss or gain of one or more electron
29. A measure of change that happens in a single unit of time
30. A particle with a charge of 1+ and a mass of one unit, found in the nucleus of an atom

1. Neither acid or base
2. Another word for mixing
4. A substance which two or more elements are chemically combined
5. Material that blocks out light
6. Seperation of particles in a suspension by passing it through paper or other substances
7. Contains two or more substances that is not chemically combined
9. Ions that are ngeative, they go to anode
10. A unit of two or more atoms held together by covalent bonds.
11. Ions that are positive,they go to the cathode
15. A particle with no charge and a mass of 1 unit, found in the nucleus of an atom
16. Strong solution
20. Weak Solution
23. Substance that changes color in acid or bases
24. curve A graph showing how the temperature of a substance changes on heating, or if it changes state (from solid to liquid to gas).
26. A particle with a charge of 1+ and a mass of one unit, found in the nucleus of an atom.