1. Warm Up 09/04 Which one of the following is a mixture? A. Sugar
B. Hydrogen Peroxide
C. Concrete
D. Carbon Dioxide

2. Chromatography Results
Closing 09/04
Chromatography Results
What color(s) did each marker end up making at the end?
How far did each one travel up the filter?
Did the dry ink mixtures separate into different parts?

3. Warm Up 09/05
Using the information on the left, what is the atomic number of Sodium?
22.99 11
11.99 12

4. Closing 09/05
Which family of the Periodic Table of the Elements contains the most elements?
A. transitional metals
B. alkali metals
C. noble gases
D. nonmetals

5. Warm Up 09/06 What group does xenon belong to on the Periodic
Table of the Elements?
A. Group 13
B. Group 18
C. Group 14
D. Group 15

6. Closing 09/06
In its natural state, what phase of matter is bromine? (refer to The Periodic Table of the Elements)
A. solid
B. liquid
C. gas
D. plasma

7. Warm Up 09/07
The mass of any atom is composed of the combination of the….
A. masses of the neutrons and electrons.
B. masses of the protons and electrons
C. masses of the protons and neutrons.
D. the masses of the electrons of each orbital
layer.

8. Closing 09/07
Approximately how many elements are synthetically made (made by humans instead of nature)? 3 8 14 19