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Definitions (973)
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vsepr
VSEPR is the acronym for Valence Shell Electron Pair Repulsion theory. VESPR is a model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule' [..]
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aerosol
An aerosol is a dispersion of a liquid in a gas or a solid in a gas.Return to the Chemistry Glossary IndexA B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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aldotetrose
An aldotetrose is a tetrose carbohydrate with an aldehyde functional group at the first carbon.
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antiaromaticity
Pentalene is an antiaromatic molecule with 8 pi-electrons participating in the ring system. (n=2)" > Pentalene is an antiaromatic molecule with 8 pi-electrons participating in the ring system. (n=2). Todd Helmenstine Antiaromaticity Def [..]
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atmosphere
Atmosphere refers to the gases surrounding a star or planetary body held in place by gravity. Atmosphere is also a unit of pressure. One atmosphere (1 atm) is defined to be equal to 101,325 Pascals.
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ether
This is the chemical structure of dimethyl ether. It is the compound commonly called ether, but there are many different chemicals called ethers." > [..]
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hydride ion
A hydride ion is a negatively charged ion of hydrogen or H-.Also Known As: hydrogen anion
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ketotetrose
A ketotetrose is a tetrose carbohydrate that contains a ketone functional group.
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nucleobase
A nucleobase is a heterocyclic base containing nitrogen that forms the base part of nucleotide molecules.Also Known As: nucleotide base, nitrogenous baseExamples: Cytosine, guanine, and adenine are all nucleotide bases.
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rem
A unit of absorbed radiation in biological tissue. Rem is equal to n times the number of rads, where the factor n is dependent on the type of radiation which is being absorbed. Rem is also an acronym for rare earth metal.
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