Matter and Chemical Change

2. Substances composed of only one kind of atom.
4. Any solid that can be stretched into a long wire.
5. Substance that can be broken down into component parts.
7. When metals and non-metals come together because opposite charges attract (2 Words).
9. Workplace Hazardous Materials Information System.
10. The vertical rows in the Periodic Table.
11. The horizontal rows in the Periodic Table.
12. The ability of a substance to be dissolved in another.
13. Formed when atoms share electrons (2 Words).
18. The ability of a substance to conduct electricity.
19. A cloudy mixture.
22. Can be a solid or gas at room temperature, are dull, and act as insulators.
23. Releases heat.
25. The amount of mass in a given volume of a substance.

1. Solids at room temperature, shiny, malleable, and a good conductor of energy.
2. Negative charge that orbits or energy levels.
3. The total mass of the protons and neutrons (3 Words).
5. Have both metallic and non-metallic properties.
6. Substances composed of 2 or more substances.
8. No charge in the nucleus.
14. Absorbs heat.
15. The number of protons found in the nucleus (2 Words).
16. A cloudy mixture which cannot be easily separated.
17. Cannot be broken down into a simpler substance (2 words).
20. Positive charge in the nucleus.
21. Located on the extreme right of the Periodic Table and are non-reactive and stable (2 Words).
24. A substance that can be pounded into sheets.