Placement Test Study Guide
Under 4a- the equation- What is the oxidation number of N in NO3-?
+5
The reaction 2 CL- -> Cl2 (g) + 2e' is the process of _________ and occurs at the __________ and is called the ________ reaction
Oxidation Anode Anode Half
The Copper Oxidation Number increases from zero to +2, Copper is _______ and called the _________ __________.
Oxidized Reducing Agent
The Ag+1 ion is called the ________
Oxidizing Agent
Express 2.5 Gal in Milliliters What is the 3rd term in the conversion (to be called grid in class)?
9.4* 10^3 2SF 1L/1.06 qt
Why is (NO3)- called "that" concept?
Ions in solution that do not participate in a chemical reaction
Number 6- Draw a (pie)2py bonding molecular orbital
See Picture
Number 6- Draw a 2pz atomic orbital.
See Picture
Oxidation Occurs at the _______; Reduction occurs at the _________
Anode Cathode
You should always read over the assigned material _______ is it covered in class
Before
Methane plus Oxygen yields ______ +________
Co2 +2H2O
Answers to selected ________ are given in appendix L, p-A-26. T/F
Even-numbered questions True
In table 6-5 CH3COOH is written in ionic equations as
Molecule
ECP figure+ ________ ECP figure- ________
Most Positive Most Negative
A liquid expands on heating. T/F
True
Under the red line of 4a- What are the NO3- ions called?
Spectator Ions
Students often underestimate the importance of ________ as a tool for learning.
Writing
There is no observable change in the quantity of matter during a ___________ and during a ____________.
Chemical RxN Physical Change
What does red in ECP figures mean?
Negative
What does the head of the arrow mean in the molecule? I--->
Negative Charge
What does green in ECP figures mean?
Neutral
What does -COOH mean?
Organic Acid; Carboxylate Group
What does blue in EP figures mean?
Positive
Number 5- What color is an oxygen atom? What does that mean?
Red Electron Rich
The oxidation number of silver, Ag, decreases from 1+ to 0, Thus the Ag +1 ion is
Reduced
In table 6-5 NaOH is written in ionic equations as
Separate Ions
The __________ provides an overview of each chapter and emphasizes the threads of continuity that run through chemistry. (Optional order on amazon)
The Study Guide to Chemistry
