Indium (In) is a chemical element belonging to the category Post-transition metal, with atomic number 49 and atomic mass 114.8200 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
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Above, what contains it; below, what it contains; on the right, what links it to another layer.
Astronomy · Chemical element
Indium
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Identity
Name: Indium
Symbol: In
Atomic number: 49
Atomic mass: 114.8200 u
Position in the periodic table
Group: 13
Period: 5
Category: Post-transition metal
Physico-chemical properties
Standard state: Solid
Melting point: 156.6 °C
Density: 7.31 g/cm³
Electron configuration: [Kr] 4d¹⁰ 5s² 5p¹
Scientific description
Indium is a chemical element with symbol In and atomic number 49.
It belongs to the category of Post-transition metal and occupies group 13 and period 5.
Its standard atomic mass is 114.8200 u.