Indium (In) Properties and Facts

Element 49 - Post-Transition Metal

What are the basic properties of Indium?

Indium (symbol: In) is a post-transition metal with atomic number 49. Its atomic mass is 114.82 u, and it belongs to period 5 and group 13.

What is the electron configuration of Indium?

The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p¹

What are the physical properties of Indium?

Melting point: 429.75 K
Boiling point: 2345.0 K
Density: 7.31 g/cm³

What are the known isotopes of Indium?

  • In-113: 4.29% abundance
  • In-115: 95.71% abundance

What is the biological role and occurrence of Indium?

Biological role: No known biological role
Natural occurrence: Found in zinc ores

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