Eigenschaften

CAS-Nummer7440-35-9
PubChem CIDna
Atomradius173
Molares Volumen17,78
Atommasse[243]
Blockf
Siedepunkt2.607
Bulk Modulus
KategorieActinoide
KristallstrukturEinfach hexagonal
FarbeSilber
Kovalenter Radius180
Dichte13,69
Electrical Resistivity
Elektronenkonfiguration[Rn] 5f7 7s2
Elektronen pro Schale2, 8, 18, 32, 25, 8, 2
Elektronegativität1,3
Elektronen95
Gruppena
Schmelzwärmena
Verdampfungswärmena
Ionisierungsenergie5,974
Magnetic Ordering
Magnetic Susceptibility
Masse[243]
Massenzahl95
Schmelzpunkt1.176
NameAmerizium
Neutronen148
Ordnungszahl243
Oxidationszustände2, 3, 4, 5, 6
Periode7
AggregatzustandFest
Poisson Ratio
Protonen95
Shear Modulus
Spezifische Wärmekapazität-
ElementsymbolAm
Wärmeleitfähigkeit0,1
Van der Waals Radius
Young's Modulus
Häufigkeit
Häufigkeit in der Erdkrustena
Häufigkeit im Universumna
Am Amerizium 95 (243) 7 f 95 994.0 2607.0 [Rn] 5f7 7s2 2 8 18 32 25 8 2 13.7 None Silver Hexagonal 1.3 {"1":"578"} 578 +3,4,5,6 1.84 20.8 10.0 1 7388 y 1.065×104y AlphaEmission Solid, Actinide, Radioactive, Synthetic am-er-ISH-i-em Silvery-white, artificially produced radioactive metal. Americium-241 is currently used in smoke detectors. Produced by bombarding plutonium with neutrons. PB38NyjmneE Americium
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. From the Latin word aurum meaning gold 95 1944 Glenn Seaborg, Ralph James., L. Morgan, Albert Ghiorso USA From the English word "America"

Isotopes of Gold

Standard Atomic Weight

Stabile Isotope

Instabile Isotope

231Am 232Am 233Am 234Am 235Am 236Am 237Am 238Am 239Am 240Am 241Am 242Am 243Am 244Am 245Am 246Am 247Am 248Am 249Am

Gold is considered to be non-toxic
India is the world's largest single consumer of gold
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.