Symbol
Sn
Atomic Number
50
Atomic Mass
118.71
Protons
50
Neutrons
68
Electrons
50
Type
Post-transition Metal
Isotopes
Tin-112, Tin-114, Tin-115, Tin-116, Tin-117, Tin-118, Tin-119, Tin-120, Tin-122, Tin-124
Discovery Year
Prehistoric
Discovered By
Unknown
Group
14
Period
5
Boiling Point
4465°F
Melting Point
449.6°F
Electron Configuration
[Kr] 5s² 4d¹⁰ 5p²
Density (g/cm³)
7.31
Crystal Structure
Face-centered cubic
Magnetism
Diamagnetic
Abundance in Earth's Crust
0.0002%
Phase at Room Temperature
Solid