This tutorial is for introductory chemistry students. Learn the five easy steps to assigning oxidation numbers to atoms in chemical formulae. Also, I will give you some problems that teachers love to give on tests because they are "tricky".

If your parents or your spouse don't want to get a dog, respect their decision. That doesn't necessarily mean that you can't get a dog. All you have to do is give them time -- and a little incentives along the way...

There are Four Known Ways:

How do use GIMP? How do you get the red eyes away?

Try these tips before calling a plumber to fix your garbage disposal. You may save yourself money for a service call.