Chemistry Crossword

1. workplace hazardous materials information system
6. Place on periodic table showing horizontally
8. combinations of pure substances the components of a mixture do not combine
9. Negatively charged particles
10. is anything that has mass and occupies space
12. homogeneous (sugar in hot coffee)
13. Place on periodic table showing vertically
14. chemical combination of two or more elements in a specific ratio
15. Neutral particles
16. Nucleus contained positively charged particles
18. a change from gas to liquid
19. can't reverse (burning wood) when two or more materials react and create new materials.
20. cloudy mixture in which tiny particles of one substance are held within another (tomato juice)
22. solids, liquid or gas depends on temperature
24. how a substance interacts with other substances (acid)
25. characteristics of a substance
26. can reverse (e.g melting ice) one in which a material changes from one state to another.
27. You can not brake it down into another substance

2. change from solid to liquid
3. each element is composed of a particle called
4. liquid to a solid
5. a table in which the elements are organized, by their physical and chemical properties
6. substance made up of only one kind of matter, which has a unique set of properties
7. a solid also can change directly into a gas and vise versa
11. change from liquid to gas (a;so known as vaporization)
17. appearance from the outside e.g lustre
21. pure substance that cannot be broken down into other substances (made up of only one type of atom)
23. is also cloudy mixture, but the particles of the suspended substance are so small that they cannot be easily separated out from the other substance (milk)