Rh
Rhodium
Chikamu 45 · 102.91 u
Rhodium ndiyo imwe yezvishoma zvinozivikanwa uye zvinodhura zvikuru zvema metals, inozivikanwa zvikuru nekuda kwechimiro chayo chekufananidza.
Maitiro ekushandisa
| Atomic radius: | 102.91 u |
| Kuomarara | 12.41 g/cm³ |
| Kutonhora Point | 2237.0 K |
| Kutonhora Point | 3968.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 2.28 (Pauling) |
| 1st Ionization Energy | 719.7 kJ/mol |
| Electronegativity: | 109.7 kJ/mol |
| Oxygen | +1, +2, +3, +4, +5, +6 |
Atomic Properties
| Kuisa Kugadzirisa | [Kr] 4d8 5s1 |
| Atomic radius: | 134.0 pm |
| Covalent Radius | 142.0 pm |
| Van der Waals radius | 195.0 pm |
Discovery
| Yakawanikwa ne | William Hyde Wollaston |
| Kuonekwa kwegore | 1803 |
| _Panzvimbo: | London, England |
| Akapihwa zita mushure me | Greek 'rhodon' zvinoreva rose, kubva parudzi rwemafuta ayo |
Nezve Rhodium
Rhodium inonziwo rhodium, uye inonziwo rhodium-14, uye inonziwo rhodium-15. Rhodium inonziwo rhodium-16, uye inonziwo rhodium-17. Rhodium inonziwo rhodium-18, uye inonziwo rhodium-19.
Mashandisiro & Maapplication
Catalytic converters, jewelry plating, laboratory crucibles, uye optic michina.
Nhoroondo yemitambo
Maererano ne80% yepasi rose rhodium inoshandiswa mucatalytic converters, uye kazhinji inonyanya kukosha kupfuura goridhe kana platinum.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 103 | 1.0% | - | _Ndiani |
Kuisa Kugadzirisa
[Kr] 4d8 5s1