Platina
78
Pt
Guruh
10
Davr
6
Blok
d
Protonlar
Elektronlar
Neytronlar
78
78
117
Umumiy xususiyatlar
Atom raqami
78
Atom massasi
195,084
Mass raqami
195
Turkum
Oʻtish metallar
Ranggi
Kulrang
Radioaktivlik
Yoʻq
From the Spanish word platina, meaning silver
Kristall tuzilma
Yuz markazli kubik
Tarix
Platinum was first used by pre-Columbian South American natives to produce artifacts.
Antonio de Ulloa published his findings about platinum in 1748, but Sir Charles Wood also investigated the metal in 1741.
First reference to it as a new metal was made by William Brownrigg in 1750.
Antonio de Ulloa published his findings about platinum in 1748, but Sir Charles Wood also investigated the metal in 1741.
First reference to it as a new metal was made by William Brownrigg in 1750.
Qobiqdagi elektronlar soni
2, 8, 18, 32, 17, 1
Elektron konfiguratsiyasi
[Xe] 4f14 5d9 6s1
Platinum exists in higher abundances on the Moon and in meteorites
Jismoniy xususiyatlar
Faza
Qattiq modda
Zichlik
21,45 g/cm3
Erish harorati
2041,45 K | 1768,3 °C | 3214,94 °F
Qaynash harorati
4098,15 K | 3825 °C | 6917 °F
Eritish issiqligi
20 kJ/mol
Bugʻlanish issiqligi
490 kJ/mol
Solishtirma issiqlik sigʻimi
0,133 J/g·K
Yer po‘stidagi miqdori
3,7×10-6%
Olamdagi miqdori
5×10-7%
CAS raqami
7440-06-4
PubChem CID raqami
23939
Atom xususiyatlari
Atom radiusi
139 pm
Kovalentlik radiusi
136 pm
Elektrmanfiylik
2,28 (Poling boʻyicha)
Ionlashish potensiali
8,9587 eV
Molyar hajm
9,10 cm3/mol
Issiqlik oʻtkazuvchanlik
0,716 W/cm·K
Oksidlanish darajasi
2, 4, 5, 6
Qo‘llanilish sohalari
The most common use of platinum is as a catalyst in chemical reactions.
Platinum is used in jewelry, decoration and dental work.
Platinum-cobalt, an alloy of roughly three parts platinum and one part cobalt, is used to make relatively strong permanent magnets.
Platinum-based anodes are used in ships, pipelines, and steel piers.
Platinum is used in jewelry, decoration and dental work.
Platinum-cobalt, an alloy of roughly three parts platinum and one part cobalt, is used to make relatively strong permanent magnets.
Platinum-based anodes are used in ships, pipelines, and steel piers.
Platinum is considered to be non-toxic
Izotoplar
Barqaror izotoplar
192Pt, 194Pt, 195Pt, 196Pt, 198PtBeqaror izotoplar
166Pt, 167Pt, 168Pt, 169Pt, 170Pt, 171Pt, 172Pt, 173Pt, 174Pt, 175Pt, 176Pt, 177Pt, 178Pt, 179Pt, 180Pt, 181Pt, 182Pt, 183Pt, 184Pt, 185Pt, 186Pt, 187Pt, 188Pt, 189Pt, 190Pt, 191Pt, 193Pt, 197Pt, 199Pt, 200Pt, 201Pt, 202Pt