1. What about this quiz?? Through page 59
Should bring a calculator and a pencil
Think

2. Quiz
Know Table 1.5 on page 14
Be able to convert back and forth
500 cm = ? m
500m = ? cm
Know about intensive (do not depend on amount) and extensive properties (depend on quantity)

3. Quiz
Know about the atom – how many protons, neutrons, electrons in 37Cl
Know meaning of:
Homogeneous mixtures (= solutions)
Heterogeneous mixtures
Physical change vs chemical change
Isotope

4. Know the different experiments: Cathode ray tube / oil drop / gold foil / study of  and  particles:
Who did them
What they showed

5. Quiz Understand density
In your calculations, keep track of your units!

6. Name Game
Know the names and formula of common compounds. Especially study pages 58 and 59
Given the symbol, know the name of the common elements ( first 36, alkali metals, alkaline earth metals, halogens, noble gases)
Given the name, know the symbol

7. Atom
Atomic number = number of protons = number of electrons ( for element)
Atomic mass + sum of number of protons + number of neutrons
Isotopes vary in number of neutrons
81Br has a mass of 81; atomic number = 35; therefore 35 protons, 35 electrons; 46 neutrons