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 kJ·mol-1
Covalent radius: 139±4 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.