Chemistry

2. Numerical prefix for five
3. amount of mass in a given volume
5. often liquid or gas at room temperature (Also solid sometimes), not shiny, don't conduct electricity(insulator), not ductile or malleable
10. Can be easily separated
12. Numerical prefix for three
13. Numerical prefix for four
14. Chemical combination of two or more elements in a specific ratio
17. Cannot be separated easily
18. Shininess of a substance
21. pounded or rolled into sheets
22. Substances that are made up of only one type of atom and cannot be broken down
23. ability to dissolve into another

1. Solid at room temperature, Malleable(Often), Have lustre, Conduct electricity and have ductility
4. The most stable and unreactive, it can make new substances sometimes
6. conduct electricity or heat
7. 7 Rows (Horizontal)
8. substance that is made up of one type of matter and has a unique set of characteristics. You cannot separate them into different substances.
9. made up of two or more types of matter and can be separated
11. A table that is used to organize elements
15. kind of change when a material changes state, (or appearance), but does not change composition. This process is reversible.
16. 18 columns (Verticle)
17. kind of change when two or more substances react to form a new substance (the new substance has different properties from the original). This process is not reversible.
19. Numerical prefix for two
20. Numerical prefix for one
24. an atom or group of atoms that has become electrically charged because it has lost or gained electrons.