Tin

Tin 118.710(7)g/mol   Sn 50 1s22s22p63s23p63d104s2 4p64d105s25p2 [ ? ] Post-Transition Metal: Properties: Silvery-white, malleable metal. Crystalline structure.

Tin is a chemical element, having the chemical symbol Sn. Its atomic number (the number of protons) is 50. It has a standard atomic weight of 118.71 g•mol ⁻¹ and is a solid in its elemental form.

Indium is considered to be a member of the "Post-transition metal" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 2,602 °C and a melting point of 231.93 °C.