Valence shell

Valence shell

The shell corresponding to the highest value of principal quantum number in the atom. The valence electrons in this shell are on average farther from the nucleus than other electrons; they are often directly involved in chemical reaction.

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Industry/Domain: Chemistry
Category: General chemistry
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valence shell

Chemistry; General chemistry

The shell corresponding to the highest value of principal quantum number in the atom. The valence electrons in this shell are on average farther from the nucleus than other ...

valence shell electron pair repulsion theory

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A model that explains the shapes of molecules by assuming that electron pairs arrange themselves around atoms in a way that minimizes electron-electron repulsions.

valence-shell electron-pair repulsion (VSEPR) theory

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A model used to predict the shape of a molecule, based on the assumption that all negatively charged valence electrons repel each other.

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centrifuge

Chemistry; General chemistry

Equipment used to separate substances based on density by rotating the tubes around a centred axis.

cell potential

Chemistry; General chemistry

The force in a galvanic cell that pulls electron through reducing agent to oxidizing agent.

conductor

Chemistry; General chemistry

Material that allows electric flow more freely.

cuvette

Chemistry; General chemistry

Glassware used in spectroscopic experiments. It is usually made of plastic, glass or quartz and should be as clean and clear as possible.

deionization

Chemistry; General chemistry

The removal of ions, and in water's case mineral ions such as sodium, iron and calcium.

deliquescence

Chemistry; General chemistry

Substances that absorb water from the atmosphere to form liquid solutions.

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