Ar
Argon
Ingxenye 18 · 39.948 u
I-Argon iyigesi enamandla kakhulu ezindaweni ezishisayo zeplanethi, ihlanganisa cishe i-1% ye-air.
Izici Zobuchopho
| I-Atom Mass | 39.948 u |
| Ubukhulu | 0.0017837 g/cm³ |
| Izinga lokuncibilika | 83.8 K |
| Izinga lokubopha | 87.3 K |
| Ukubonakala | Igesi elingumthunzi |
| Isimo ku-Room Temp | Igesi |
Izici ze-chemical
| I-Ionization Energy | 1520.6 kJ/mol |
| I-electron affinity | -96.0 kJ/mol |
| I-Oxidation States | 0 |
Izici ze-Atom
| I-electron | [Ne] 3s2 3p6 |
| I-Atom Radius | 71.0 pm |
| I-Covalent Radius | 106.0 pm |
| I-Van der Waals Radius | 188.0 pm |
Ukuqapha
| Itholakele ngu | Lord Rayleigh, William Ramsay |
| Unyaka wokuqamba | 1894 |
| Indawo | i-London, i-England |
| Ibizwa nge | isi-Greek 'argon' isho ukuthi i-lazy noma ayisebenzi |
Malunga Argon
I-Argon iyigesi emnyama, engaphunganga eyenza i-0.934% ye-atmosphere yeplanethi. Ikhiqizwa ngokuyinhloko ngokuncibilika kwe-radioactive kwe-potassium-40. I-Argon igcwele inert ngaphansi kwezimo ezijwayelekile futhi yayiyigesi emhlophe yokuqala etholakalayo.
Izisebenziso
Ukuncibilika kwegesi yokuvimbela, ukukhangisa okukhazimulayo nokukhazimulayo, ukuvimbela igesi emafasitela, nokulondolozwa kwamadokhumenti emlando.
Iqiniso elijabulisayo
I-Argon ithola igama layo kusuka ku-Greek 'lazy' ngoba ithatha inxaxheba ekwenzeni ama-chemical reactions.
Isibonisi
| Inani le-mass | Ubukhulu | Isikhathi esingu-half-life | Iqinile |
| 36 | 0.003336% | - | Yebo |
| 38 | 0.000629% | - | Yebo |
| 40 | 0.996035% | - | Yebo |
I-electron
[Ne] 3s2 3p6