Cr
I-Chromium
Ingxenye 24 · 51.996 u
I-chromium iyinsimbi eqinile, ekhanyayo eshintshayo ebalulekile ngenxa yokuqedela kwayo nokumelana nokugqwala.
Izici Zobuchopho
| I-Atom Mass | 51.996 u |
| Ubukhulu | 7.15 g/cm³ |
| Izinga lokuncibilika | 2180.0 K |
| Izinga lokubopha | 2944.0 K |
| Ukubonakala | Steely-gray, lush, hard metallic |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 1.66 (I-Pauling) |
| I-Ionization Energy | 652.9 kJ/mol |
| I-electron affinity | 65.2 kJ/mol |
| I-Oxidation States | +1, +2, +3, +4, +5, +6 |
Izici ze-Atom
| I-electron | [Ar] 3d5 4s1 |
| I-Atom Radius | 128.0 pm |
| I-Covalent Radius | 139.0 pm |
| I-Van der Waals Radius | 189.0 pm |
Ukuqapha
| Itholakele ngu | Louis Nicolas Vauquelin |
| Unyaka wokuqamba | 1797 |
| Indawo | i-Paris, i-France |
| Ibizwa nge | i-Greek 'chroma' isho umbala, ngenxa yezithako zayo eziningi ezimibalabala |
Malunga I-Chromium
I-chromium iyinsimbi emnyama, ekhanyayo, eqinile ethatha ukunakekelwa okuphezulu. Iphawuleka ngokumelana kwayo nokugqwala. Iqukethe ukumiswa kwe-electronic okungajwayelekile nge-4s electron eyodwa kuphela ngenxa yokuphepha kwe-3d shell egcwele ingxenye.
Izisebenziso
Isistimu yensimbi engenasici, i-chrome plating, ama-pigments, ukugqoka isikhumba, kanye nama-catalysts.
Iqiniso elijabulisayo
I-chromium ine-electron ehlukile -- 'ithatha' i-electron kusuka ku-4s ukuze ithole i-3d orbital egcwele ingxenye.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 50 | 0.04345% | - | Yebo |
| 52 | 0.83789% | - | Yebo |
| 53 | 0.09501% | - | Yebo |
| 54 | 0.02365% | - | Yebo |
I-electron
[Ar] 3d5 4s1