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SUBSTANCE ORGANIQUE POLAIRE [1 record]

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Alphabetical list of terms

Record 1 2011-08-22

English

Subject field(s)
  • Chemistry
OBS

Polar: Descriptive of a molecule in which the positive and negative electrical charges are permanently separated, as opposed to nonpolar molecules in which the charges coincide.

French

Domaine(s)
  • Chimie
OBS

Polaire : Une molécule est formée d'atomes, eux-mêmes constitués de charges négatives gravitant autour d'un noyau positif; si la répartition de ces charges admet une symétrie suffisante pour que les barycentres des charges positives et des charges négatives coïncident, la molécule est dite non polaire [...] Dans le cas contraire, la molécule est polaire, comme pour l'eau et pour un grand nombre de substances [...]

OBS

Polaire : Se dit d'une substance formée de telles molécules.

Spanish

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