| Eegenskapen |
|---|
|
| Algemian |
|---|
| Nööm, Symbool, Numer | Plaatin, Pt, 78 |
| Seerie | Auergungsmetal |
| Skööl, Periode, Blook | 10, 6, d |
| Klöör, Skak | grä-witj |
| CAS-Numer | 7440-06-4 |
| Uundial | 0,005 ppm[1] |
| Atomaar [2] |
|---|
| Atoommase | 195,084(9)[3] u |
| Atoomraadius (bereegent) | 135 (177) pm |
| Kovalent-Raadius | 136 pm |
| Van der Waals-Raadius | 175 pm |
| Elektroonen | [Xe] 4f14 5d9 6s1 |
| Energii | 5,65 eV[4] |
| 1. Ionisiarang | 870 kJ/mol |
| 2. Ionisiarang | 1791 kJ/mol |
| Füsikaalisk [2] |
|---|
| Tustant | fääst |
| Kristal | kuubisk |
| Sachthaid | 21,45 g/cm³ (20 °C)[5] |
| Hardhaid | 3,5 |
| Magnetismus | paramagneetisk (Χm = 2,8 · 10−4)[6] |
| Smoltponkt | 2041,4 K (1768,3 °C) |
| Köögponkt | 4100 K[7] K (3827 °C) |
| Molaar Rüm | 9,09 · 10−6 m3/mol |
| Dampwaremk | 510 kJ/mol[7] kJ/mol |
| Smoltwaremk | 19,6 kJ/mol |
| Faard faan a tuun | 2680 m/s |
| Waremk | 130 J/(kg · K) |
| Elektrisk struumfeerang | 9,48 · 106[8] A/(V · m) |
| Waremkfeerang | 72 W/(m · K) |
| Cheemisk [2] |
|---|
| Oksidatsionstustant | 0, +2, +4, +6 |
| Oksiiden | PtO, PtO2 |
| Sür of baasisk | lacht baasisk |
| Normoolpotentiaal | 1,118 V (Pt2+ + 2 e− → Pt) |
| Elektronegatiwiteet | 2,28 (Pauling-Skala) |
| Isotoopen |
|---|
| Isotoop | NH | t1/2 | Aktiwiteet | Energii (MeV) | Produkt |
|---|
| 188Pt | {syn.} | 10,2 d | ε | 0,507 | 188Ir | | 189Pt | {syn.} | 10,87 h | ε | 1,971 | 189Ir | | 190Pt | 0,01 % | 6,5 · 1011 a | α | 3,249 | 186Os | | 191Pt | {syn.} | 2,96 d | ε | 1,019 | 191Ir | | 192Pt | 0,79 % | stabiil | | 193Pt | {syn.} | 50 a | ε | 0,057 | 193Ir | | 194Pt | 32,9 % | stabiil | | 195Pt | 33,8 % | stabiil | | 196Pt | 25,3 % | stabiil | | 197Pt | {syn.} | 19,8915 h | β− | 0,719 | 197Au | | 198Pt | 7,2 % | stabiil | | 199Pt | {syn.} | 30,80 min | β− | 1,702 | 199Au | | 200Pt | {syn.} | 12,5 h | β− | 0,660 | 200Au |
|
| Muar isotoopen bi List faan isotoopen |
|---|
| NMR-Eegenskapen |
|---|
|
| Seekerhaid |
|---|
|
| Muar wäärnangen |
|---|
| MAK-miat | Sweits: 1 mg·m−3 (stoof)[10] |
| Miast wurd SI-ianhaiden brükt. |
Plaatin as en cheemisk element mä det ufkörtang Pt an det atoomnumer 78. Hat as en grä-witj auergungsmetal.
Bilen
Luke uk diar
Kwelen
Tekst üüb Öömrang
