Platin
78
Pt
Grup
10
Periyot
6
Blok
d
Protonlar
Elektronlar
Nötronlar
78
78
117
Temel Özellikleri
Atom numarası
78
Atom ağırlığı
195,084
Kütle Numarası
195
Kategori
Geçiş metalleri
Renk
Gri
Radyoaktif
Hayir
From the Spanish word platina, meaning silver
Kristal yapısı
Yüzey merkezli kübik
Tarihi
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.
Enerji seviyesi başına Elektronlar
2, 8, 18, 32, 17, 1
Elektron dizilimi
[Xe] 4f14 5d9 6s1
Platinum exists in higher abundances on the Moon and in meteorites
Fiziksel Özellikleri
Faz
Katı
Yoğunluk
21,45 g/cm3
Ergime noktası
2041,45 K | 1768,3 °C | 3214,94 °F
Kaynama noktası
4098,15 K | 3825 °C | 6917 °F
Ergime ısısı
20 kJ/mol
Buharlaşma ısısı
490 kJ/mol
Isı kapasitesi
0,133 J/g·K
Dünya kabuğundaki bulunulabilirliği
3,7×10-6%
Evrendeki bulunulabilirliği
5×10-7%
CAS Numarası
7440-06-4
PubChem CID Numarası
23939
Atom Özellikleri
Atom yarıçapı
139 pm
Kovalent yarıçapı
136 pm
Elektronegatifliği
2,28 (Pauling ölçeği)
İyonlaşma enerjisi
8,9587 eV
Atomik Hacim
9,10 cm3/mol
Isıl iletkenlik
0,716 W/cm·K
Yükseltgenme seviyeleri
2, 4, 5, 6
Uygulamalar
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
İzotoplar
Kararlı izotoplar
192Pt, 194Pt, 195Pt, 196Pt, 198PtKararsız 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