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Crom

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Presentació • Nom: Crom • Símbol: Cr • Nombre atòmic: 24 • Estat a temperatura ambient: sòlid
On el trobem a la natura • En l’escorça terrestre hi ha un 0,02%. • El crom es troba en Rússia, Brasil, Estats Units i Tasmània.
S'obté en substancia pura • El crom s'obté en estat pur.
Aplicacions • El crom s'empra principalmente en metalurgia per a aportar resistència a la corrosio i un acabat brillant. En aliatges, per exemple, l‘hacer inoxidable que conté més d'un 8% en crom.

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Crom

  • 1.
    Presentació • Nom: Crom • Símbol: Cr • Nombre atòmic: 24 • Estat a temperatura ambient: sòlid
  • 2.
    On el trobema la natura • En l’escorça terrestre hi ha un 0,02%. • El crom es troba en Rússia, Brasil, Estats Units i Tasmània.
  • 3.
    S'obté en substanciapura • El crom s'obté en estat pur.
  • 4.
    Aplicacions • El croms'empra principalmente en metalurgia per a aportar resistència a la corrosio i un acabat brillant. En aliatges, per exemple, l‘hacer inoxidable que conté més d'un 8% en crom.