Get interesting facts about the element mercury. Learn about its history, uses, and properties.
Monthly Archives: July 2020
Water serves several functions in the human body. Babies have the highest percentage of water, followed by children, men, and women. Women have a lower percentage because they typically have more body fat than men.
How Much Water Is in the Human Body?
It's easy to make nitrous oxide or laughing gas at home or in the lab by heating ammonium nitrate.
How to Make Nitrous Oxide or Laughing Gas
The four main types of chemical reactions are synthesis, decomposition, single displacement, and double displacement reactions.
Types of Chemical Reactions
Stink bombs are products designed to release a stinky odor. Despite the name, they do not explode. Stink bombs are readily available as pranks, plus there are versions used for crowd control. Here is a look at how stink bombs work, the chemicals involved, and their safety. How Stink Bombs […]
How Do Stink Bombs Work? Are They Safe?
Riot control agents, collectively called tear gas, incapacitate people by causing eye, nose, throat, and skin irritation. The most common chemicals used as tear gas include chloroacetophenone (CN), chlorobenzylidenemalononitrile (CS), and chloropicrin (PS). According to the Centers for Disease Control (CDC), you can expect relief from most tear gas symptoms […]
Tear Gas Exposure Treatment
In chemistry, periodicity refers to repeating trends in the elements of the periodic table, such as ionization energy, atomic radius, electron affinity, and electronegativity.
Periodicity Definition in Chemistry
Explore the difference between a butterfly and a moth. Learn how to tell them apart and see exceptions to the rules that distinguish them.
What Is the Difference Between a Butterfly and a Moth?
To calculate pH, take the log of the hydrogen ion concentration and change the sign of the answer.