Cr | Chemical Substance
chromium
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Cr
crom
chromium
Atomic_weight (g/mol) 51.99610 ± 0.00060
Density of solid (kg/m3) 7190
Boiling Point (°C) 2671
Melting point (°C) 1907
Electron negativity 1
First Ionisation Energy 652
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Cr | Chemical Sustances
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Participate as reactant
Cr + 3HCl + HNO3 → 2H2O + NO + CrCl3 2Cr + 3S → Cr2S3 Cr + 2HCl → H2 + CrCl2Participate as product
Zn + CrSO4 → Cr + ZnSO4 C + Fe(CrO2)2 → Cr + Fe + 2CO2 2Al + Cr2O3 → Al2O3 + 2Cr
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