Au
Gold · element 79
Transition Metal · Solid at room temperature
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.
Key facts
Atomic mass
196.9665695 u
how heavy one atom is
Phase (room temp.)
Solid
Density
19.3 g/cm³
how tightly packed it is
Melting point
1337.33 K (1064 °C)
when solid turns to liquid
Boiling point
3243 K (2970 °C)
when liquid turns to gas
Period
6
its row in the periodic table
Group
11
its column in the periodic table
Block
D-block
the neighbourhood it lives in
Electronegativity
2.54
how strongly it pulls electrons
Electron configuration
[Xe] 4f14 5d10 6s1
where its electrons live
Shells
2 · 8 · 18 · 32 · 18 · 1
electrons in each layer, inside to out
Discovered by
Middle East
who found it
Appearance
metallic yellow
what it looks like
Source: Wikipedia