# Krom

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|  |
| --- |
| Vanadyûm ← **Krom** → Mangan
 |
| — ↑ **Cr** ↓ Mo
 |

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**24Cr**
Sîstema vedorî ya elementan |

 |

 |
| **Şeklê wê** |
|  |
| **Bi tevayî** |
| Nav, direfş, nimre
 | Krom, Cr, 24
 |
| Kom, vedor, blok
 | 6, 4, d
 |
| Cure
 | Lajwerdên derbasiyê
 |
| Tîrbûn
 | 7,14 g/cm3 (20 °C)
 |
| **Agahî** |
| Giraniya atomê
 | 51,9961 u
 |
| Nîveşkêla atomê
 | 140 (166) pm
 |
| Nîveşkêla kovalansê
 | 139 pm
 |
| Rêzbûna elektronan
 | [Ar] 3d5 4s1 |
| Rewşa di germiya odê de
 | hişk
 |
| Xala helînê
 | 2180 K (1907 °C)
 |
| Xala kelînê
 | 2944 K (2671 °C)
 |
| Kabikê molî
 | 7,23 · 10-6 m3/mol
 |
| Derenceya bilindbûnê
 | 6, **3**, 2
 |
| Elektronegatîfî
 | 1,66 (Pauling-Skala)
 |
| **Îzotop** |
|

| Îzo
 | LC
 | t1/2 | ÇA
 | EX MeV
 | ENû
 |
| --- | --- | --- | --- | --- | --- |
| 48Cr |
{syn.}

 |  21,58 saet  | ε | 1,659 | 48V |
| 49Cr |
{syn.}

 |  42,3 d  | ε | 2,631 | 49V |
| 50Cr |
4,345 %

 |  >1,8 · 1017 sal  | ε | 1,037 | 50Ti |
| 51Cr |
{syn.}

 |  27,7025 r  | 2 ε | 0,753 | 51V |
| 52Cr | **83,789** %

 |  Qayîm |
| 53Cr |
9,501 %

 |  Qayîm |
| 54Cr |
2,365 %

 |  Qayîm |
| 55Cr |
{syn.}

 |  3,497 d  | β- | 2,603 | 55Mn |
| 56Cr |
{syn.}

 |  5,94 d  | β- | 1,607 | 56Mn |

 |
| **Tevdîr girtin** |
| **Nîşanên xeterê** |
|

|  |  |
| --- | --- |
|  |  |
| Ev tişt zû dişewite
 | Ev tişt xeter nake bo tenduristiyê
 |
| (F)
 | (Xn)
 |

 |

**Krom** (bi latînî: chromium, ji bi yewnaniya kevn: χρῶμα, lat. *xrōma* "reng") metalek û elementek e.