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