Information valid for Ru-101 unless otherwise noted
[ATOM]

Ruthenium

 [ATOM]

Basic Information


Symbol: Ru
Atomic Number: 44
Mass: 101.07
Melting Point: 2250
Boiling Point: 3900
Number of Protons/Electrons: 44
Number of Neutrons: 57
Classification: Transition Metal
Crystal Structure: Hexagonal
Density: 12.2
Color: silvery

Atomic Structure

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

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 15
    Fifth Energy Level: 1

Isotopes

Isotope Half Life
Ru-96Stable
Ru-972.89 days
Ru-98Stable
Ru-99Stable
Ru-100Stable
Ru-101Stable
Ru-102Stable
Ru-10339.27 days
Ru-104Stable
Ru-1054.44 hours
Ru-1061.02 years

Facts


Date of Discovery: 1844
Discoverer: Karl Klaus
Name Origin: From the Latin word Ruthenia (Russia)
Uses: platinum alloys
Obtained From: pentlandite, pyroxinite

Related Links

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