Sifat

CAS Number7440-35-9
PubChem CIDna
Jari-jari atom173
Volume atom17,78
Massa atom[243]
Blokf
Titik didih2.607
Bulk Modulus
KategoriAktinida
Struktur kristalSegienam Sederhana
WarnaPerak
Jari-jari kovalen180
Kepadatan13,69
Electrical Resistivity
Konfigurasi elektron[Rn] 5f7 7s2
Elektron per kulit2, 8, 18, 32, 25, 8, 2
Elektronegativitas1,3
Electrons95
Golonganna
Kalor peleburanna
Kalor penguapanna
Potensi Ionisasi5,974
Magnetic Ordering
Magnetic Susceptibility
Massa[243]
Mass Number95
Titik lebur1.176
NamaAmerisium
Neutron148
Nomor atom243
Bilangan oksidasi2, 3, 4, 5, 6
Periode7
FaseSolid
Poisson Ratio
Proton95
Shear Modulus
Kapasitas kalor molar-
SimbolAm
Kondusivitas termal0,1
Van der Waals radius
Young's Modulus
Kelimpahan alami
Kelimpahan di kerak bumina
Kelimpahan di alam semestana
Am Amerisium 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"

Isotop emas

Standard Atomic Weight

Isotop stabil

Isotop tidak stabil

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.