Gold (Au), element 79 – Learn Acer periodic table

Gold

Transition metal, atomic number 79.

Gold 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.

Facts

Symbol Au. Atomic mass 196.9665695 u. Group 11, period 6. Electron configuration [Xe] 4f14 5d10 6s1. Electrons per shell 2, 8, 18, 32, 18, 1. State at room temperature: Solid. Melting point 1064.2 °C, boiling point 2969.8 °C. Discovered by Middle East.

Element data from Wikipedia, CC BY-SA 3.0.