Злато
79
Au
Група
11
Периода
6
Блок
d
Протони
Електрони
Неутрони
79
79
118
Општа својства
Атомски број
79
Атомска маса
196,966569
Масени број
197
Категорија
Прелазни метали
Боја
Златна
Радиоактиван
Не
From the Latin word aurum meaning gold
Кристална структура
Површинскицентрична Кубична
Историја
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.
Електрони по љусци
2, 8, 18, 32, 18, 1
Електронска конфигурација
[Xe] 4f14 5d10 6s1
India is the world's largest single consumer of gold
Физичка својства
Стање
Чвсрто
Густина
19,282 g/cm3
Температура топљења
1337,35 K | 1064,2 °C | 1947,56 °F
Температура кључања
3129,15 K | 2856 °C | 5172,8 °F
Топлота топљења
12,5 kJ/mol
Топлота испаравања
330 kJ/mol
Специфична топлота
0,129 J/g·K
Заступљеност у Земљиној кори
3,1×10-7%
Заступљеност у Космосу
6×10-8%
Захвалности за слике: Wikimedia Commons (Alchemist-hp)
Synthetic made gold crystals by the chemical transport reaction in chlorine gas
CAS број
7440-57-5
ПубЦхем ЦИД број
23985
Атомска својства
Атомски радијус
144 pm
Ковалентни радијус
136 pm
Електронегативност
2,54 (Полингова скала)
Јонизујући потенцијал
9,2255 eV
Молска запремина
10,2 cm3/mol
Топлотна проводљивост
3,17 W/cm·K
Оксидациона стања
-1, 1, 2, 3, 5
Примена
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
Изотопи
Стабилни изотопи
197AuНестабилни изотопи
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