Altın
79
Au
Grup
11
Periyot
6
Blok
d
Protonlar
Elektronlar
Nötronlar
79
79
118
Temel Özellikleri
Atom numarası
79
Atom ağırlığı
196,966569
Kütle Numarası
197
Kategori
Geçiş metalleri
Renk
Altunî
Radyoaktif
Hayir
From the Latin word aurum meaning gold
Kristal yapısı
Yüzey merkezli kübik
Tarihi
Gold has been known since prehistoric times and was the first metal used by humans.
Gold artifacts dated to 5000 years ago have been found in Egyptian tombs.
Gold of 98% purity has been found in Nahal Qunah in the ancient kingdom of Israel, dating from about 6000 years ago.
Gold artifacts dated to 5000 years ago have been found in Egyptian tombs.
Gold of 98% purity has been found in Nahal Qunah in the ancient kingdom of Israel, dating from about 6000 years ago.
Enerji seviyesi başına Elektronlar
2, 8, 18, 32, 18, 1
Elektron dizilimi
[Xe] 4f14 5d10 6s1
India is the world's largest single consumer of gold
Fiziksel Özellikleri
Faz
Katı
Yoğunluk
19,282 g/cm3
Ergime noktası
1337,35 K | 1064,2 °C | 1947,56 °F
Kaynama noktası
3129,15 K | 2856 °C | 5172,8 °F
Ergime ısısı
12,5 kJ/mol
Buharlaşma ısısı
330 kJ/mol
Isı kapasitesi
0,129 J/g·K
Dünya kabuğundaki bulunulabilirliği
3,1×10-7%
Evrendeki bulunulabilirliği
6×10-8%
Resim kaynağı: Wikimedia Commons (Alchemist-hp)
Synthetic made gold crystals by the chemical transport reaction in chlorine gas
CAS Numarası
7440-57-5
PubChem CID Numarası
23985
Atom Özellikleri
Atom yarıçapı
144 pm
Kovalent yarıçapı
136 pm
Elektronegatifliği
2,54 (Pauling ölçeği)
İyonlaşma enerjisi
9,2255 eV
Atomik Hacim
10,2 cm3/mol
Isıl iletkenlik
3,17 W/cm·K
Yükseltgenme seviyeleri
-1, 1, 2, 3, 5
Uygulamalar
Gold is used in coinage and is a standard for monetary systems in many countries.
It is also extensively used for jewelry, decoration, dental work, and for plating.
Gold is used widely in microelectronic circuits to ensure reliable, corrosion-resistant and static-free performance.
Gold leaf, flake or dust is used in some gourmet foods as decorative ingredient.
It is also extensively used for jewelry, decoration, dental work, and for plating.
Gold is used widely in microelectronic circuits to ensure reliable, corrosion-resistant and static-free performance.
Gold leaf, flake or dust is used in some gourmet foods as decorative ingredient.
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İzotoplar
Kararlı izotoplar
197AuKararsız izotoplar
169Au, 170Au, 171Au, 172Au, 173Au, 174Au, 175Au, 176Au, 177Au, 178Au, 179Au, 180Au, 181Au, 182Au, 183Au, 184Au, 185Au, 186Au, 187Au, 188Au, 189Au, 190Au, 191Au, 192Au, 193Au, 194Au, 195Au, 196Au, 198Au, 199Au, 200Au, 201Au, 202Au, 203Au, 204Au, 205Au