Review

Constants

Periodic lable

Each tutorial offers:

Concept$-$focused instruction. Video presentations are used in some of the primer exercises.

An example problem to demonstrate how the concept is applied to problems. You may find that this problem is easy for you. If it is not, access the hints provided to help you solve it$.$

Hints that include a video sample problem of an instructor solving a similar problem and step$-$by$-$step solutions for you to complete.

You may recall many of these concepts from your high school courses, but if not, you will be able to refresh your memory. Also, you will know which areas to seek help on right at the beginning of your course. Plus, you will use the Mastering Chemistry program for your homework so you will already have experience with the program.

The following parts A and $B$ are not chemistry related, but will provide you with an example of how the program works. These exercises are chosen specifically to lead you through the key features of Mastering. You might choose to submit incorrect answers and use the hints to see what happens!

Part A $-$ How to enter an answer

How many squares are in this $22$ grid $($Figure $1)?$ Note that the figure link lets you know that a figure goes along with this part. This figure is available to the left. Enter your answer as a number in the box below and then submit your answer by clicking Submit. $($Instructions like this appear above the answer boxes where needed.$)$

Number of squares $=$

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