NO. 050Post-Transition

Sn

Tin

Tin is a silvery metal used in soldering, coatings, and alloys such as bronze.

Crystal Structure

Tetragonal

Atomic Mass118.71 u

Density7.29 g/cm³

Melting Point505 K

Boiling Point2875 K

Atomic Radius145 pm

Electronegativity1.96

Ionization Energy709 kJ/mol

Electron Affinity107 kJ/mol

Bonding TypeMetallic

Oxidation States2, 4

Acid/BaseCan act as acid or base

ReactivityLow

Electron Configuration

[Kr] 4d10 5s2 5p2

Discovered ByAncient civilizations

Year-3000

Known Isotopes

Sn-112Sn-114Sn-115Sn-116Sn-117Sn-118Sn-119Sn-120Sn-122Sn-124