Information valid for In-115 unless otherwise noted
[ATOM]

Indium

 [ATOM]

Basic Information


Symbol: In
Atomic Number: 49
Mass: 114.818
Melting Point: 156.61
Boiling Point: 2000
Number of Protons/Electrons: 49
Number of Neutrons: 66
Classification: Other Metals
Crystal Structure: Tetragonal
Density: 7.31
Color: Silverish

Atomic Structure

[Bohr Model of Indium]  
Number of Energy Levels: 5

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 18
    Fifth Energy Level: 3

Isotopes

Isotope Half Life
In-1112.8 days
In-113Stable
In-113m1.7 hours
In-1141.2 minutes
In-114m49.5 days
In-1154.4e+014 years
In-115m4.5 hours
In-11614.1 seconds
In-116m54.2 minutes
In-11744 minutes
In-117m1.9 hours

Facts


Date of Discovery: 1863
Discoverer: Ferdinand Reich
Name Origin: From the Indigo color seen in its spectrum
Uses: coating of high-speed bearings
Obtained From: by-product of zinc refining

Related Links

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