La
I-lanthanium iyigama le-lanthanide series, esetshenziswa kumakhamera nama-catalysts.
Izici Zobuchopho
| I-Atom Mass | 138.91 u |
| Ubukhulu | 6.145 g/cm³ |
| Izinga lokuncibilika | 1193.0 K |
| Izinga lokubopha | 3737.0 K |
| Ukubonakala | Isibhakabhaka-simhlophe esimnyama |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 1.1 (I-Pauling) |
| I-Ionization Energy | 538.1 kJ/mol |
| I-electron affinity | 53.0 kJ/mol |
| I-Oxidation States | +2, +3 |
Izici ze-Atom
| I-electron | [Xe] 5d1 6s2 |
| I-Atom Radius | 187.0 pm |
| I-Covalent Radius | 207.0 pm |
| I-Van der Waals Radius | 240.0 pm |
Ukuqapha
| Itholakele ngu | Carl Gustaf Mosander |
| Unyaka wokuqamba | 1839 |
| Indawo | i-Stockholm, i-Sweden |
| Ibizwa nge | isi-Greek 'lanthanein' isho ukuthi lifihlakele |
Malunga I-Lanthanum
I-Lanthanum iyinsimbi eqinile, eqinile, emhlophe emhlophe emnyama emnyama. Itholakala kumaminerali ambalwa eplanethi njenge-monazite ne-bastnaesite. Akunamsebenzi wayo we-biological.
Izisebenziso
Ikhamera ne-telescope lens, ukungqubuzana kwe-catalytic kwi-petroleum, amabhethri e-electrodes, kanye ne-lighter flint.
Iqiniso elijabulisayo
Lanthanum 'ifihlakele' ngaphakathi cerium oxide iminyaka engu-36 ngaphambi kokuhlukaniswa - efanelekayo njengoba igama layo lisho 'ukuhlala efihlakele'.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 138 | 0.0009% | - | Yebo |
| 139 | 0.9991% | - | Yebo |
I-electron
[Xe] 5d1 6s2