The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densities.
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Why do copper products change color, and what is the name of the process?
Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.
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Chemistry of the sky
Chemistry can teach us about the composition of celestial bodies and determine their age.
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What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support
Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...
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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...
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The most expensive metal in the world
Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.
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Period
The elements in a horizontal row of the periodic table.
Homogeneous Mixture
A mixture which has uniform composition and properties throughout.
Dermal toxicity
Adverse health effects resulting from skin exposure ot a substance.
Electronic Geometry
The geometric arrangement of orbitals containing the shared and unshared electron pairs surrounding the central atom of a molecule or polyatomic ion.
Aldehyde
Compound in which an alkyl or aryl group and a hydrogen atom are attached to a carbonyl group and a hydrogen atom are attached to a carbonyl group, general formula, O-R-C-H
Linear Accelerator
A device used for accelerating charged particles along a straight line path.
Peroxide
A compound containing oxygen in the -1 oxidation state. Metal peroxides contain the peroxide ion, O22
Polydentate
Refers to ligands with more than one donor atom.
Ionization Isomers
Isomers that result from the interchange of ions inside and outside the coordination sphere.
Spectator Ions
Ions in a solution that do not participate in a chemical reaction.
