Atomic Number: | 49 |
Element Symbol: | In |
Element Name: | Indium |
Atomic Weight: | 114.818 |
Group Number: | 13 |
Group Name: | none |
Period Number: | 5 |
Block: | p-block |
Ground State Configuration: | [Kr] 4d10 5s2 5p |
Ground State Level: | 2Po1/2 |
Standard State: | Solid |
Common Valences: | 1,2,3 |
Bond Length: | 325.1 |
Atomic Radius Empirical: | 155 |
Atomic Radius Calculated: | 156 |
Covalent Radius Empirical: | 144 |
Vander Waals Radius: | 193 |
Electron Affinity: | 28.9 |
First Ionization Energy: | 558.3 |
Pauling Electronegativity: | 1.78 |
Sanderson Electronegativity: | 2.14 |
Allred Rochow Electronegativity: | 1.49 |
Mulliken Jaffe Electronegativity: | 1.76 |
Allen Electronegativity: | 1.656 |
Density Of Solid: | 7310 |
Molar Volume: | 15.76 |
Velocity Of Sound: | 1215 |
Youngs Modulus: | 11 |
Mineral Hardness: | 1.2 |
Brinell Hardness: | 8.83 |
Electrical Resistivity: | 8 |
Melting Point: | 156.6 |
Boiling Point: | 2072 |
Superconduction Temperature: | -269.74 |
Thermal Conductivity: | 82 |
Coefficient Of Linear Expansion: | 32.1 |
Enthalpy Of Fusion: | 3.26 |
Enthalpy Of Vaporization: | 230 |
Enthalpy Of Atmization: | 243 |
Most Common Oxidation Numbers: | 3 |
Color: | Silvery lustrous grey |
Classification: | Metallic |
Discovered By: | Ferdinand Reich, Hieronymus Theodor Richter |
Discovered At: | Germany |
Discovered When: | 1863 |
Origin Of Name: | Named after the indigo line in its atomic spectrum |
Calculate the molecular weight of Indium or molecular weight In.
Also see the full list of chemical elements and atomic weights.