Periodic Table of Elements




Tin has been known since ancient times. Tin extraction and use can be dated to the beginnings of the Bronze Age around 3000 BC.

Name: Tin
Symbol: Sn
Atomic number: 50
Atomic weight: 118.71
State: solid
Group, period, block: 14, 5, p
Color: silvery (left, beta) or gray (right, alpha)
Classification: post-transition metal
Electron configuration: 4d10 5s2 5p2

Physical properties

Density: 7.365 g/cm-3
Melting point: 505.08 K, 231.93 C, 449.47 F
Boiling point: 2875 K, 2602 C, 4716 F

Atomic properties

Oxidation states: 4, 2, -4
Electronegativity: 1.96 (Pauling scale)
Ionization energies: 1st: 708.6 kJmol-1
Covalent radius: 1394 pm
Van der Waals radius: 217 pm
  • Sn
  • Electron Configuration


There are ten naturally occurring isotopes of tin exist, 112Sn, 113Sn, 114Sn, 116Sn, 117Sn, 118Sn, 119Sn, 120Sn, 122Sn, and 124Sn.