Periodic Table of Elements

50

Tin

118.71

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
2,8,18,18,4

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

Isotopes

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