Ca
Calcium
Zosankha 20 · 40.078 u
Kalsium ndi chinthu chofunika kwambiri m'thupi la munthu, chofunikira kwambiri kwa minofu, mizu, ndi kulumikizana kwa ma cell.
Zochita za Fiziki
| Mafuta | 40.078 u |
| Kuwala | 1.55 g/cm³ |
| Kutentha | 1115.0 K |
| Kutentha | 1757.0 K |
| Kuoneka | Dull wobiriwira, silver metallic |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 1.0 (Pauling) |
| 1st Ionization Energy | 589.8 kJ/mol |
| Electron Affinity | 2.37 kJ/mol |
| Oxygen | +1, +2 |
Zosankha
| Kusintha kwa ma electron | [Ar] 4s2 |
| Atomic radius | 197.0 pm |
| Covalent Radius | 176.0 pm |
| Kuwala kwa Van der Waals | 231.0 pm |
Kupeza
| Kupezeka ndi | Humphry Davy |
| Kuzindikira chaka | 1808 |
| Malo | London, England |
| Analimbikitsidwa ndi | Latin 'calx' kutanthauza chimanga |
Za ine Calcium
Calcium is a soft, silvery-white alkaline earth metal and the fifth most abundant element in Earth's crust. It is essential for bones, teeth, and shells. Calcium ions serve as key signaling molecules in cellular processes.
Kugwiritsa ntchito & Maphunziro
Cement ndi konkriti, gipsum ya Paris, chitsulo chosapanga dzimbiri, antacids, zowonjezera zakudya, ndi kusamalira madzi.
Fun Facts
M'thupi la munthu pali pafupifupi 1 kg ya calcium, 99% ya calcium imapezeka m'minofu ndi madontho, ndipo skeleton yanu imasinthidwa pafupifupi chaka chilichonse.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 40 | 0.96941% | - | Yes |
| 42 | 0.00647% | - | Yes |
| 44 | 0.02086% | - | Yes |
Kusintha kwa ma electron
[Ar] 4s2