Oltin
79
Au
Guruh
11
Davr
6
Blok
d
Protonlar
Elektronlar
Neytronlar
79
79
118
Umumiy xususiyatlar
Atom raqami
79
Atom massasi
196,966569
Mass raqami
197
Turkum
Oʻtish metallar
Ranggi
Oltin
Radioaktivlik
Yoʻq
From the Latin word aurum meaning gold
Kristall tuzilma
Yuz markazli kubik
Tarix
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.
Qobiqdagi elektronlar soni
2, 8, 18, 32, 18, 1
Elektron konfiguratsiyasi
[Xe] 4f14 5d10 6s1
India is the world's largest single consumer of gold
Jismoniy xususiyatlar
Faza
Qattiq modda
Zichlik
19,282 g/cm3
Erish harorati
1337,35 K | 1064,2 °C | 1947,56 °F
Qaynash harorati
3129,15 K | 2856 °C | 5172,8 °F
Eritish issiqligi
12,5 kJ/mol
Bugʻlanish issiqligi
330 kJ/mol
Solishtirma issiqlik sigʻimi
0,129 J/g·K
Yer po‘stidagi miqdori
3,1×10-7%
Olamdagi miqdori
6×10-8%
Rasm manbalari: Wikimedia Commons (Alchemist-hp)
Synthetic made gold crystals by the chemical transport reaction in chlorine gas
CAS raqami
7440-57-5
PubChem CID raqami
23985
Atom xususiyatlari
Atom radiusi
144 pm
Kovalentlik radiusi
136 pm
Elektrmanfiylik
2,54 (Poling boʻyicha)
Ionlashish potensiali
9,2255 eV
Molyar hajm
10,2 cm3/mol
Issiqlik oʻtkazuvchanlik
3,17 W/cm·K
Oksidlanish darajasi
-1, 1, 2, 3, 5
Qo‘llanilish sohalari
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.
Gold is considered to be non-toxic
Izotoplar
Barqaror izotoplar
197AuBeqaror 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