TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MG2 [1 record]

Record 1 2011-01-18

English

Subject field(s)
  • Chemistry
Universal entry(ies)
Mg++
correct, formula, see observation
Mg2+
correct, formula, see observation
CONT

To be acidic rain must also have more sulphate (SO4=) and nitrate (NO3-) anions as compared to calcium (Ca++) and magnesium (Mg++) cations for example. The excess anions are then balanced by hydrogen ions (H+) making rain acid.

CONT

As a solution containing calcium or magnesium ion (for example, hard water) comes in contact with the zeolite, these ions displace the sodium ions and are thus removed from the solution.

OBS

Every cation is necessarily an ion; an ion must be wither a cation or an anion.

OBS

chemical formula: Mg++ or Mg2+

French

Domaine(s)
  • Chimie
Entrée(s) universelle(s)
Mg++
correct, formula, see observation
Mg2+
correct, formula, see observation
CONT

Le rayon atomique est de 1,36 [Angströms] et celui du cation Mg2+ est de 0,65 [Angströms]. L'atome a en effet une assez grande facilité à se transformer en cation Mg2+, que l'on observe dans certains dérivés fondus tels que le chlorure ou dans des solutions aqueuses de sels de magnésium.

OBS

Formule chimique : Mg++; Mg2+

OBS

pluriel : des ions magnésium et des cations magnésium.

Spanish

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