TERMIUM Plus®

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DOT FORMULA [1 record]

Record 1 1987-09-18

English

Subject field(s)
  • Chemistry
DEF

... electronic covalent structures, using dots to represent outershell electrons ....

OBS

To show the way in which each element is potentially capable of reacting, the outside or valence electrons are depicted as dots and the remainder of the atom by its common symbol.

French

Domaine(s)
  • Chimie
OBS

Il ne semble pas exister en français de syntagmes aussi courts qu'en anglais pour rendre cette notion. Les sources françaises consultées recourent à une périphrase explicative.

OBS

Liaison covalente. (...) Théorie de Lewis. (...) Dans les formules électroniques, cette liaison est représentée par «:» et, dans les formules chimiques conventionnelles par un tiret (...)

Spanish

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