# Hafniyûm

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| --- |
| Lutesyûm ← **Hafniyûm** → Tantal
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| Zr ↑ **Hf** ↓ Rf
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**72Hf**
Sîstema vedorî ya elementan |

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| **Şeklê wê** |
|  |
| **Bi tevayî** |
| Nav, direfş, nimre
 | Hafniyûm, Hf, 72
 |
| Kom, vedor, blok
 | 4, 6, d
 |
| Cure
 | Lajwerdên derbasiyê
 |
| Tîrbûn
 | 13,28 g/cm3 (25 °C)
 |
| **Agahî** |
| Giraniya atomê
 | 178,49 u
 |
| Nîveşkêla atomê
 | 155 (208) pm
 |
| Nîveşkêla kovalansê
 | 150 pm
 |
| Rêzbûna elektronan
 | [Xe] 4f14 5d2 6s2 |
| Rewşa di germiya odê de
 | Hişk
 |
| Xala helînê
 | 1683 K (1410 °C)
 |
| Xala kelînê
 | 4876 K (4603 °C)
 |
| Kabikê molî
 | 13,44· 10-6 m3/mol
 |
| Elektronegatîfî
 | 1,3 (Pauling-Skala)
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| **Îzotop** |
|

| Îzo
 | LC
 | t1/2 | ÇA
 | EX MeV
 | ENû
 |
| --- | --- | --- | --- | --- | --- |
| 174Hf |
0,162 %

 |  2,234 sal  | α | 2,495 | 170Yb |
| 175Hf |
{syn.}

 |  70 r  | ε | 0,686 | 175Lu |
| 176Hf |
5,206 %

 |  Qayîm |
| 177Hf |
18,606 %

 |  Qayîm |
| 178Hf |
27,297 %

 |  Qayîm |
| 179Hf |
13,629 %

 |  Qayîm |
| 180Hf | **35,1** %

 |  Qayîm |

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

|  |
| --- |
|  |
| Ev tişt zû dişewite
 |
| (F)
 |

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**Hafniyûm** (bi latînî: Hafnium, ji bi latînî: Hafnia "Kopenhag") metalek û elementek e.