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Element 30, atomic weight 65.37, a reactive gray metal that dissolves in acids, used to galvanize metals and in many alloys (e. g. brass and bronze).

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Secteur d’activité/Domaine : Chimie
Catégorie : Chimie générale
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Chimie; Chimie inorganique

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Chimie; Chimie générale

A compound that consists of only carbon and hydrogen, that contains at least one carbon-carbon double bond. Alkene names end with -ene. Examples are ethylene (CH2=CH2); 1-propene ...

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Chimie; Chimie générale

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Chimie; Chimie générale

An elementary particle produced by certain nuclear decay processes. Neutrinos have no charge and extremely small masses compared to other subatomic particles.

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Chimie; Chimie générale

A device that senses temperature changes by using a pair of joined wires made of dissimilar metals that produces a voltage that changes with temperature.

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Chimie; Chimie générale

An insulated vessel for measuring the amount of heat absorbed or released by a chemical or physical change.

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Chimie; Chimie générale

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Secteur d’activité/Domaine : Communications mobiles Catégorie : Les téléphones mobiles

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