Here's a quick review of different ways of calculating experimental error along with worked example problems.
These are the strong acids. There are only six strong acids, so you might want to commit the list of strong acids to memory.
Learn how to apply two simple purification techniques to get table salt from impure rock salt.
This printable periodic table contains the most common valence charges of the elements.
Review how to calculate pH and what pH means with respect to hydrogen ion concentration, acids, and bases.
An ology is a discipline of study, as indicated by having the -ology suffix. This is a list of science ologies.
Download or print these PDF and PNG periodic tables to help work chemistry problems or to predict properties of the elements. The printable tables work well on mobile devices, such as Android phones, iPads as well as PC and Macs.
Surface area and volume formulas are part of the math used in common science calculations. You may need to calculate surface area and volume to determine density, pressure and concentration, for example. While it's a good idea to memorize these formulas, here a list of surface area and volume formulas to use as a handy reference.
Make your own ferrofluid, or liquid magnet, which can be used with a magnet to change the liquid's density and to form spikes and other amazing shapes.
An element word search is a fun way to learn how to spell the names of the elements. Here are some element word search sheets, complete with element word search answer keys. The word searches are available as pdf files so you can save and print them.