Name: Indium

Atomic Symbol and Mass Number: In [49]

Electron Configuration: [Kr] 4d   5s   5p

Atomic Radii: 167 pm

Electron Affinity: 28.9 kJ mol‑1:

Oxidation States: +1, +3

Electronegativity Value: 1.78

Elemental Group: Post Transition Metal

Uses and Properties:

• Indium is a soft, ductile, malleable, lustrous metallic metal.

• Its color is silvery white and it has a face-centered tetragonal structure.

• It is liquid over a wide range of temperatures, like gallium that belongs to its same group.

• A soft, silvery metal that is stable in air and water.

• Most indium is used to make indium tin oxide (ITO), which is an important part of touch screens, flat screen TVs and solar panels.

• This is because it conducts electricity, bonds strongly to glass and is transparent.

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Lewis Diagram: