Chapter 1-3 Review

Here is the stuff you should know from Chapters 1-3
Also important to know is the assignment material!! Some of these questions will be on the test.


Chapter Material

1. Distinguish between:
- solids, liquids, and gases
- physical and chemical properties
- physical and chemical changes
- pure substances and mixtures
- molecules and elements
- homogenous and heterogeneous mixtures
- elements and compounds
- monoatomic and diatomic and triatomic molecules
- exact and inexact numbers
2. Know what units measure what (eg grams measure mass) and their symbols.
3. Know how to operate using both scientific notation and significant figures.
4. Know how to perform calculations using both scientific notation and significant figures.
5. Know how to make conversion factors, and how to perform calculations with them.
6. Know how to perform dimensional analysis.
7. Know the difference between mass and density. Know how to perform calculations with density.
8. Know how to convert between Kelvin, Celcius and Fahrenheit.
9. Define a calorie and specific heat.
10. Know what each of the subatomic particles are, their masses (relative), and their charge.
11. Know how the subatomic particles are arranged in the atom
12. Understand the concept of atomic law
13. Understand how to calculate a weighted average and understand why a weighted average is needed in calculating the atomic weight of an element.
14. Understand the different characteristics of a metal and a non-metal, and where they are located on the periodic table.
15. Understand electron arrangement within an atom.
16. Know why the periodic table is periodic.
17. Know the order in which the electrons fill an atom