Information valid for Po-209 unless otherwise noted
[ATOM]

Polonium

 [ATOM]

Basic Information


Symbol: Po
Atomic Number: 84
Mass: (209)
Melting Point: 254
Boiling Point: 962
Number of Protons/Electrons: 84
Number of Neutrons: 125
Classification: Metalloid
Crystal Structure: Monoclinic
Density: 9.4
Color: Unknown

Atomic Structure

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

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 32
    Fifth Energy Level: 18
    Sixth Energy Level: 6

Isotopes

Isotope Half Life
Po-2068.8 days
Po-2075.8 hours
Po-2082.89 years
Po-209102 years
Po-210138.38 days
Po-2110.51 seconds
Po-2120.29 microseconds
Po-2134 microseconds
Po-214163.7 microseconds
Po-2151.78 milliseconds
Po-2160.14 seconds
Po-2183.1 minutes

Facts


Date of Discovery: 1898
Discoverer: Pierre and Marie Curie
Name Origin: After Poland
Uses: No uses known
Obtained From: pitchblende, decay of radium

Related Links

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