If all the elements are arranged in the order of their atomic weights, a periodic repetition of properties is obtained. This is expressed by the law of periodicity.— Dmitry Ivanovich Mendeleev
A redox reaction is a reaction that involves both oxidation (the loss of electrons) and reduction (the gain of electrons). In order to identify whether a reaction is redox or not, you can write separate half equations...
The reactions of matter whether occurring in natural processes or in the laboratories can be interpreted using another language of chemistry – the equation. A chemical reaction transforms one or more substances...
Many college courses require you to take the first section of the ACS exam as your final. Learn how to prepare yourself quickly and efficiently.
Do you want to make your own invisible ink? This article clearly explains how to make invisible ink using five different methods. Each method for making the ink uses household materials.
This article guides you through the many kinds of laboratory glassware such as test tubes, graduated cylinders, beakers, burettes and many more. Each piece of apparatus is detailed and includes photos.
What is universal indicator? This hub explains what universal indicator is and how to use it in-depth with photographs. Universal indicator tells whether a substance is an acid or a base by a colour...
Ok, there are tons of homemade wine recipes on the internet. This is the lazy man's recipe that only requires TWO ingredients available at ANY grocery store and your wine will be ready to drink in one week or less. The...
What is the Periodic Table, how is it organised, who discovered it and what do all those numbers mean? All these questions and more answered, with some catchy tunes thrown in for good measure!
Different types of formula, naming organic compounds and reactions of organic reagents.
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