Learn about the rare earth elements. See photos, learn about properties, and get facts about LREE and HREE.
Monthly Archives: September 2015
Here is a useful table of common physical constants. These physical constants appear time and again in chemistry and physics homework problems. Why memorize them when you can just look them up? I personally prefer to keep a sheet with these constants stuffed in the back of my textbook. You […]
Table of Common Physical Constants
Question: What is the most bitter chemical compound? Answer: The most bitter chemical compound is commonly believed to be N-[(2-[2,6-Dimethylphenyl)amino]-2-oxoethyl]-N,N-diethylbenzenemethanaminium benzoate [3734-33-6]. Fortunately, no one goes around using that name. It’s usually called Bitrex or Denatonium Benzoate. You’ll find it added to toxic liquids to deter people and pets from drinking […]