49 In 114.8181
Indium
POST-TRANSITION METAL
Phase: Solid
Discovered: Ferdinand Reich
Block: P
Summary
Indium is a chemical element with symbol In and atomic number 49. It is a post-transition metallic element that is rare in Earth's crust. The metal is very soft, malleable and easily fusible, with a melting point higher than sodium, but lower than lithium or tin.
Source: WikipediaPhysical Properties
Atomic Mass 114.8181 u
Density 7.31 g/cm³
Melting Point 429.7485 K
Boiling Point 2345 K