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Introduction to Chemistry


Do you wonder what chemistry is or why you would want to study it? Take a look at answers to some basic questions about chemistry.

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Chemistry Spotlight10

How To Calculate Experimental Error

Here's a quick review of different ways of calculating experimental error along with worked example problems.

List of the Strong Acids

These are the strong acids. There are only six strong acids, so you might want to commit the list of strong acids to memory.

Simple Method To Purify Sodium Chloride from Rock Salt

Learn how to apply two simple purification techniques to get table salt from impure rock salt.

Printable Periodic Table of the Elements - Valence Charges

This printable periodic table contains the most common valence charges of the elements.

How To Calculate pH - Quick Review

Review how to calculate pH and what pH means with respect to hydrogen ion concentration, acids, and bases.

Ology List of Sciences

An ology is a discipline of study, as indicated by having the -ology suffix. This is a list of science ologies.

Printable Periodic Table of the Elements

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

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.

How To Make Liquid Magnets

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.

Element Word Search

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.

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