Atomic Properties
- Atomic Number
- 24
- Atomic Mass
- 51.9960 u
- Electron Configuration
- [Ar] 3d5 4s1
- Electronegativity
- 1.66
- Block
- d-block
- Group
- 6
- Period
- 4
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 2180.00 K
- Boiling Point
- 2944.00 K
- Density
- 7.1500 g/cm³
About Chromium
Shiny metal used for chrome plating and stainless steel.
Isotopes of Chromium
Chromium has 4 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 50Cr | 50 | 49.94604183 | 4.345% | Stable |
| 52Cr | 52 | 51.94050623 | 83.79% | Stable |
| 53Cr | 53 | 52.94064815 | 9.501% | Stable |
| 54Cr | 54 | 53.93887916 | 2.365% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)