Zlato

79
Au
Skupina
11
Perioda
6
Blok
d
Protons
Electrons
Neutrons
79
79
118
General Properties
Vrstno število
79
Atomska teža
196,966569
Mass Number
197
Kategorija
Prehodne kovine
Barva
Gold
Radioactive
Ne
From the Latin word aurum meaning gold
Kristalna struktura
Ploskovno centrirana kubična
Zgodovina
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.
Electrons per shell
2, 8, 18, 32, 18, 1
Razporeditev elektronov
[Xe] 4f14 5d10 6s1
Au
India is the world's largest single consumer of gold
Physical Properties
Faza snovi
Trdnina
Gostota
19,282 g/cm3
Tališče
1337,35 K | 1064,2 °C | 1947,56 °F
Vrelišče
3129,15 K | 2856 °C | 5172,8 °F
Talilna toplota
12,5 kJ/mol
Izparilna toplota
330 kJ/mol
Toplotna kapaciteta
0,129 J/g·K
Abundance in Earth's crust
3,1×10-7%
Abundance in Universe
6×10-8%
Synthetic
Zasluge za slike: Wikimedia Commons (Alchemist-hp)
Synthetic made gold crystals by the chemical transport reaction in chlorine gas
CAS Number
7440-57-5
PubChem CID Number
23985
Atomic Properties
Atomski polmer
144 pm
Kovalentni polmer
136 pm
Elektronegativnost
2,54 (Paulingova lestvica)
Ionization Potential
9,2255 eV
Atomic Volume
10,2 cm3/mol
Toplotna prevodnost
3,17 W/cm·K
Oksidacijska stanja
-1, 1, 2, 3, 5
Applications
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.
Gold is considered to be non-toxic
Isotopes
Stable Isotopes
197Au
Unstable Isotopes
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