铟，元素符号是In，属于IIIA族金属元素，原子序数：49，相对原子质

Indium, English name: Indium, element symbol In, belongs to group IIIA metal element, atomic number: 49, relative atomic mass: 114.8, melting point 156.61°C, boiling point 2060°C. The relative density is 7.31g/cm³. Indium is a silver-white metal with a slight bluish luster. It has a very soft texture and can be scored with nails. It has strong plasticity and good ductility, and can be pressed into tablets. Metal indium is not oxidized by air at room temperature.

Indium, English Name: indium, element symbol in, belongs to group IIIA metal element, atomic number: 49, relative atomic mass: 114.8, melting point: 156.61 ℃, boiling point: 2060 ℃. Relative density 7.31g/cm ³。 Indium is a silvery white metal with light blue luster. It is very soft. It can be scored with nails. It has strong plasticity, good ductility and can be pressed into pieces. Indium is not oxidized by air at room temperature.

Indium, English name: Indium, element symbol In, belongs to group IIIA metal element, atomic number: 49, relative atomic mass: 114.8, melting point 156.61℃, boiling point 2060℃. The relative density is 7.31g/cm³. Indium is a silver-white metal with light blue luster. It is very soft, can be scored with nails, has strong plasticity and good ductility, and can be pressed into pieces. Indium is not oxidized by air at room temperature.