We Use Cookies
We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from. For more information, please review our cookie policy and privacy policy.
By choosing I Accept, you consent to our use of cookies and other tracking technologies.

Gold (Au)

From Wikipedia, the free encyclopediaGold is a chemical element with symbol Au (from Latin:aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable and ductile metal. Chemically, gold is a transition metal and a group 11 element.

Gold in the periodic table

Atomic number79
Element categoryTransition Metal

Physical properties

Phase at STPSolid
Density19.3 g/cm3
Atomic weight196.967 u
Melting point1337.33 K
1064.18 °C
1947.524 °F
Boiling point3243 K
2969.85 °C
5377.73 °F

Atomic properties

Electronegativity (Pauling Scale)2.54
Electron affinity222.747 kJ/mol
Oxidation states−3, −2, −1, 0, +1, +2, +3, +5
(an amphoteric oxide)
Ionization energies
1890.1 kJ/mol
2 1980 kJ/mol

Electron configuration

Elektronkonfiguration (shorthand)[Xe] 4f14 5d10 6s1
Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s1
Electrons per shell2, 8, 18, 32, 18, 1


Discovered byLevant
Warning: Undefined variable $footer in /customers/a/d/1/periodictable.one/httpd.www/inc/footer.php on line 34