Stable isotope Tin (Sn)

Isotope Z(p) N(n) Atomic Mass Natural Abundance Enrichment Level Chemical Form
Sn-112 50 62 111.904826 0.97% 99.60% Metal
Sn-114 50 64 113.902782 0.65% 71.00-87.10% Metal
Sn-115 50 65 114.903347 0.34% 51.00-69.00% Metal
Sn-116 50 66 115.901745 14.54% 96.60-99.50% Metal
Sn-117 50 67 116.902955 7.68% 87.00-97.50% Metal
Sn-118 50 68 117.901608 24.22% 99.50% Metal
Sn-119 50 69 118.903311 8.59% 90.50-97.40% Metal
Sn-119 50 69 118.903311 8.59% 90.30% Oxide
Sn-120 50 70 119.902198 32.59% 98.80-99.70% Metal
Sn-122 50 72 121.903441 4.63% 93.40-99.30% Metal
Sn-124 50 74 123.905274 5.79% 99.90% Metal
 

Properties of Tin

Name Tin
Symbol Sn
Atomic number 50
Atomic weight 118.69
Standard state Solid at 298 °K
CAS Registry ID 7440-31-5
Group in periodic table 14
Group name None
Period in periodic table 5
Block in periodic table p-block
Color Silvery lustrous gray
Classification Metallic
Melting point 231.9 °C
Boiling point 2270 °C
Vaporization point 2602 °C
Thermal conductivity 66.8 W/(m·K) at 298.2 °K
Electrical resistivity 11.0 µΩ·cm at 0 °C; 15.5 µΩ·cm at 100 °C
Electronegativity 1.7
Specific heat 0.21 kJ/kg K
Heat of vaporization 290 kJ·mol-1
Heat of fusion 7 kJ·mol-1
Density of liquid 6.99 g/cm3 at 231.9 °C
Density of solid 7.31 g/cm3 
Electron configuration [Kr]4d105s25p2
Atomic radius 1.41 Å
Oxidation states +2, +4