Information valid for Ra-266 unless otherwise noted
[ATOM]

Radium

 [ATOM]

Basic Information


Symbol: Ra
Atomic Number: 88
Mass: (226)
Melting Point: 700
Boiling Point: 1737
Number of Protons/Electrons: 88
Number of Neutrons: 138
Classification: Alkaline Earth
Crystal Structure: Cubic
Density: 5
Color: silverish

Atomic Structure

[Bohr Model of Radium]  
Number of Energy Levels: 7

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

Isotopes

Isotope Half Life
Ra-22238 seconds
Ra-22311.43 days
Ra-2243.66 days
Ra-22514.9 days
Ra-2261600 years
Ra-2285.76 years

Facts


Date of Discovery: 1898
Discoverer: Pierre and Marie Curie
Name Origin: From the Latin word radius (ray)
Uses: treating cancer
Obtained From: uranium ores

Related Links

I currently do not know of any links for Radium. If you do, please let me know
[Previous Element] [Next Element]