A term used to describe molecules and polyatomic ions that have one atom in the center and four atoms at the corners of a square.
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Ozone
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Harmful Chemicals Found In Food
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Features of the Scanning Tunneling Microscope
The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types. The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The...
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Harmful Chemicals Found In Food
It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to which one is healthy or not and which produces the best results. There is one thing that almost every can agree on. That being high sugar and caffeine products like sodas are not good for you, but those are not the only dangers found in food and beverages.
Nuclides
Refers to different atomic forms of all elements in contrast to ?isotopes?, which refer only to different atomic forms of a single element.
Aufbau ('building up') Principle
Describes the order in which electrons fill orbitals in atoms.
Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
Amine
Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.
Amino Acid
Compound containing both an amino and a carboxylic acid group.The --NH2 group.
DP number
The degree of polymerization, the average number of monomer units per polymer unit.
Dilution
Process of reducing the concentration of a solute in solution, usually simply by mixing with more solvent.
Lewis Dot Formula (Electron Dot Formula)
Representation of the core of a molecule, ion or formula unit by showing atomic symbols and only outer shell electrons.
yttria
Y2O3: A white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.
