Cr
Chromium
Zosankha 24 · 51.996 u
Chromium ndi yovuta, yowala yosinthasintha yamagetsi yofunikira chifukwa cha kumaliza kwake kwa mirror ndi kukana kuwonongeka.
Zochita za Fiziki
| Mafuta | 51.996 u |
| Kuwala | 7.15 g/cm³ |
| Kutentha | 2180.0 K |
| Kutentha | 2944.0 K |
| Kuoneka | Steely-grey, lustrous, hard metallic |
| State at Room Temp | M'gululi |
Makhalidwe a Chemical
| Electronegativity | 1.66 (Pauling) |
| 1st Ionization Energy | 652.9 kJ/mol |
| Electron Affinity | 65.2 kJ/mol |
| Oxygen | +1, +2, +3, +4, +5, +6 |
Zosankha
| Kusintha kwa ma electron | [Ar] 3d5 4s1 |
| Atomic radius | 128.0 pm |
| Covalent Radius | 139.0 pm |
| Kuwala kwa Van der Waals | 189.0 pm |
Kupeza
| Kupezeka ndi | Louis Nicolas Vauquelin |
| Kuzindikira chaka | 1797 |
| Malo | Paris, France |
| Analimbikitsidwa ndi | Chigiriki 'chroma' chomwe chimatanthauza mtundu, chifukwa cha zinthu zake zambiri zobiriwira |
Za ine Chromium
Chromium ndi steely-grey, lustrous, yovuta miyala yomwe imatenga kwambiri polish.Izi ndi zodabwitsa kwa kukana kwake ku tarnishing.Ili ndi osiyana siyana electronic configuration ndi 4s imodzi yokha electron chifukwa cha chitetezo cha 3d mbale half-dzadzazidwa.
Kugwiritsa ntchito & Maphunziro
Sitima yopanda dzimbiri, chrome plating, pigments, chikopa cha khungu, ndi ma catalysts.
Fun Facts
Chromium ili ndi kulumikizana kwamagetsi kosiyana - 'kumatha' kuchotsa e-yochokera ku 4s kuti ipereke orbital ya 3d yokhala ndi 3d.
Isotopes
| Kukula kwa maselo | Kuchuluka | Half-Life | Wolimba |
| 50 | 0.04345% | - | Yes |
| 52 | 0.83789% | - | Yes |
| 53 | 0.09501% | - | Yes |
| 54 | 0.02365% | - | Yes |
Kusintha kwa ma electron
[Ar] 3d5 4s1