Chemistry

Every moment of every day, chemistry plays a part in all we experience. This branch of the Helium network humbly attempts to illuminate the vast array of chemical knowledge, making it accessible to all. Let our site inform, inspire, and awe you with chemical wonders.
By: Svetlana Elizabeth
There are different methods of making invisible ink. Obviously, which method you will use depends on the purpose of the invisible ink will it be used by children playing games or by secret agents? As secret agents are unlikely to be reading my Helium article...
By: Sandra Petersen
The average human will take approximately 15 breaths per minute, or 21,600 breaths per day, and not concern himself with the composition of the air he has breathed. Air is air, right? Read on to find out why air is not exactly the same...
By: Lillian Henry
Kids always like to send secret messages to each other. Tell their cool or naughty little secrets without a parent or teacher discovering it. There are a few ways that they can do this and ingredients are in the kitchen.*Mix equal parts water and...
By: Owain Bury
Ever wanted some quick and easy chemistry experiments to try that can be done in your own home, with household items? Growing beautiful table salt crystals is an ideal starting experiment, will not take too long, and should fascinate the kids. It is ideal because...
By: Ranjana Banerjee
How atoms workAtoms are the tiniest piece of any element that cannot be chemically subdivided by ordinary method. The origin of this word is from Greek where atom means indivisible. Greeks are very famous for their thinking skill and it was the Greek brain Democritus...
By: Jessica D
Organic chemistry is the class that breaks the student. Without organic chemistry, it would be pretty dull. Organic Chemistry deals with carbon based molecules, and they are everywhere. What do cocaine and your mom have in common? Carbon. Because there are so many molecules and...
By: Frances Simon
Strongly associated with grade school and spy novels, invisible ink carries with it a sense of youthful excitement and mystery. Whether you are sending a message across the room or across an ocean, the same techniques apply.There are a number of different ways to...
By: Sandra Petersen
The alkali metals found in Group I, the first vertical column on the left side of the Periodic Table of Elements are all strong bases which will neutralize acids. Even though hydrogen tops Group I, it is not considered one of the alkali metals. Alkali...
By: Mick Wilkinson
Understanding concentration is not as difficult as some people think. In essence, it is just a measure of how "watered down" a particular chemical is. Consider Kool-Aid or cordial. You can make it too sweet by adding twice the recommended amount to a certain quantity...
By: Craig Lagrone
Chemical reactivity, especially in biochemical processes, is often related to the three-dimensional arrangement of atoms in the molecule relative to one another. Methods of describing and predicting the shape of a chemical substance are very important components of many introductory chemistry courses. Molecular geometry is...

 

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