Information valid for Re-186 unless otherwise noted
[ATOM]

Rhenium

 [ATOM]

Basic Information


Symbol: Re
Atomic Number: 75
Mass: 186.207
Melting Point: 3180
Boiling Point: 5627
Number of Protons/Electrons: 75
Number of Neutrons: 111
Classification: Transition Metal
Crystal Structure: Hexagonal
Density: 21.02
Color: silverish

Atomic Structure

[Bohr Model of Rhenium]  
Number of Energy Levels: 6

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 32
    Fifth Energy Level: 13
    Sixth Energy Level: 2

Isotopes

Isotope Half Life
Re-1822.67 days
Re-182m12.7 hours
Re-18370 days
Re-18438 days
Re-184m165 days
Re-185Stable
Re-1863.77 days
Re-1874.1e+010 years
Re-18816.94 hours

Facts


Date of Discovery: 1925
Discoverer: Walter Noddack
Name Origin: From Rhines provinces of Germany
Uses: filaments for mass spectrographs
Obtained From: gadolinite, molybdenite

Related Links

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