Category Archives: Uncategorized

Percent composition

Percent composition worksheet:  How much sodium is in NaCl?  Pretend you care with this exciting worksheet. Practicing Percent Composition:  More percent composition fun, such as it is.

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Lewis Structures and VSEPR

Lewis structures, resonance structures, and VSEPR. Lewis structures worksheet:  Even if you have a burning hatred for Gilbert Lewis (the guy who came up with these things), the practice will do you good. More Lewis structures:  Continue to stoke the … Continue reading

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Atomic theory and calculations

History of the atom: Early history of the atom:  Learn what people thought about the atom, from the Greeks through Dalton. Thomson and Rutherford’s atom:  If you love gold film and cathode rays, this is the worksheet for you! The … Continue reading

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Unit Conversions

Unit Conversions I (dd-ch):  What do you get when a meter walks into a bar?  I don’t know either.  But this will help you convert meters into centimeters. Unit Conversions II (dd-ch):  Still more unit conversion joy. Unit conversions worksheet: … Continue reading

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Scientific Method and Graphing

Scientific method worksheet:  Are you a scientific person with a method?  Well, you’re in luck! Scientific notation practice:  If you’ve still go scientific notation problems, they’ll be solved momentarily! Graphing practice worksheet:  Turn your lousy graphs into graphical works of … Continue reading

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Quantum Mechanics

You’ve probably already figured out that quantum mechanics is complicated.  Many scientists prefer to say that it has an “elegant simplicity”, but that’s just because they’re trying to convince people that they’re smart.  The truth is that nobody really understands … Continue reading

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Protons, neutrons, and electrons

Let’s learn all about the particles that make up the atom.  The electron gets a lot of discussion, but I think you’ll be happy with how much attention protons and neutrons get! (Updated 2/24/16) Protons, neutrons, and electrons:  These guys … Continue reading

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Orbital filling diagrams

Now that you’ve mastered the world of electron configurations, it’s time to write orbital filling diagrams.  This sounds like something that would be tough, but orbital filling diagrams are really just pictures that show you the same thing as electron … Continue reading

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Electron configurations

1s 2p 3d and on and on.  If these terms are confusing you, you’re in the right place.  If these terms don’t even look familiar, you’re either a chemistry student who needs a lot of help or are on the … Continue reading

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Empirical and molecular formulas

If you’re reading this tutorial, it’s probably because you have to do some kind of calculation using empirical formulas.  Something where your teacher said something like “If you have [whatever] percent of [some element] and [a different] percent of [a … Continue reading

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