# Kalsiyûm

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| --- |
| Qelye ← **Kalsiyûm** → Skandiyûm
 |
| Mg ↑ **Ca** ↓ Sr
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**20Ca**
Sîstema vedorî ya elementan |

 |

 |
| **Şeklê wê** |
|  |
| **Bi tevayî** |
| Nav, direfş, nimre
 | Kalsiyûm, Ca, 20
 |
| Kom, vedor, blok
 | 2, 4, s
 |
| Cure
 | Lajwerdên axî yên alkalî
 |
| Tîrbûn
 | 1,55 g/cm3 (20 °C)
 |
| **Agahî** |
| Giraniya atomê
 | 40,078 u
 |
| Nîveşkêla atomê
 | 180 (194) pm
 |
| Nîveşkêla kovalansê
 | 176 pm
 |
| Nîveşkêla Van der Waalsê
 | 231 pm
 |
| Rêzbûna elektronan
 | [Ar] 4s2 |
| Rewşa di germiya odê de
 | hişk
 |
| Xala helînê
 | 1115 K (842 °C)
 |
| Xala kelînê
 | 1757 K (1484 °C)
 |
| Kabikê molî
 | 26,20 · 10-6 m3/mol
 |
| Derenceya bilindbûnê
 | 2
 |
| Oksîdên xwe
 | CaO
 |
| Elektronegatîfî
 | 1,00 (Pauling-Skala)
 |
| **Îzotop** |
|

| Îzo
 | LC
 | t1/2 | ÇA
 | EX MeV
 | ENû
 |
| --- | --- | --- | --- | --- | --- |
| 40Ca | **96,941** %

 |  Qayîm |
| 41K |
{syn.}

 |  103.000 sal  | ε | 0,421 | 41K |
| 42Ca |
0,647 %

 |  Qayîm |
| 43Ca |
0,135 %

 |  Qayîm |
| 44Ca |
2,086 %

 |  Qayîm |
| 45Ca |
{syn.}

 |  162,61 sal  | β- | 0,257 | 45Sc |
| 46Ca |
0,004 %

 |  Qayîm |
| 47Ca |
{syn.}

 |  4,536 sal  | β- | 1,992 | 47Sc |
| 48Ca |
0,187 %

 |  > 6 · 1018 sal  | β-β- | 4,272 | 48Ti |

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

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

 |

**Kalsiyûm** (bi latînî: calcium, ji bi latînî: calx "kirêc") metalek û elementek e.