K
I-potassium
Ingxenye 19 · 39.098 u
I-potassium iyinsimbi ebalulekile ye-alkali ebalulekile kumsebenzi we-nerve ne-muscle.
Izici Zobuchopho
| I-Atom Mass | 39.098 u |
| Ubukhulu | 0.862 g/cm³ |
| Izinga lokuncibilika | 336.53 K |
| Izinga lokubopha | 1032.0 K |
| Ukubonakala | Isibhakabhaka-simhlophe esimnyama |
| Isimo ku-Room Temp | Iqinile |
Izici ze-chemical
| Electronegativity | 0.82 (I-Pauling) |
| I-Ionization Energy | 418.8 kJ/mol |
| I-electron affinity | 48.4 kJ/mol |
| I-Oxidation States | +1 |
Izici ze-Atom
| I-electron | [Ar] 4s1 |
| I-Atom Radius | 227.0 pm |
| I-Covalent Radius | 203.0 pm |
| I-Van der Waals Radius | 275.0 pm |
Ukuqapha
| Itholakele ngu | Humphry Davy |
| Unyaka wokuqamba | 1807 |
| Indawo | i-London, i-England |
| Ibizwa nge | isiNgisi 'potash'; isibonakaliso K kusuka eLatin 'kalium' |
Malunga I-potassium
I-potassium iyinsimbi eqinile, emhlophe emhlophe ephendula ngokuqinile ngamanzi. Ibalulekile kuzo zonke izitho eziphilayo, idlala indima ebalulekile ekudluliseni kwe-nerve, ukucindezeleka kwamathambo, nokulinganisela kwe-fluid. Yabe yinsimbi yokuqala ehlukaniswe nge-electrolysis.
Izisebenziso
Izitshalo zokutshala (i-potash), isiponji, i-gunpowder, ukuphrinta kweglasi, ukugcinwa kwezinhlanzi, kanye ne-IV fluids yezokwelapha.
Iqiniso elijabulisayo
I-banana ihlobene kakhulu ne-potassium, kodwa ama-avocados nama-spinach aqukethe okuningi ngayinye.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 39 | 0.932581% | - | Yebo |
| 40 | 0.000117% | 1.248 billion years | Akukho |
| 41 | 0.067302% | - | Yebo |
I-electron
[Ar] 4s1