RnZ =  86

From the Latin "Radium"
(AM) Atomic Mass 222  amu    Oxidation States +2
   (BP) Boiling Point -61.8  °C    (MP) Melting Point -71  °C
   (ρ) Density 0.00973  g/cm3    Crystal Structure Face Centered Cubic
   ( χ ) Electronegativity n/a    (AR) Atomic Radius 1.45  Å
   Physical State Gas (C) Heat Capacity 0.094  J/g °C
Electronic-Config [Xe]  4f14  5d10  6s2  6p6     (I1) First Ionization E 1037.02  kJ/mol
   (ΔHvap) Heat of Vaporization 18.1  kJ/mol     (ΔHfus) Heat of Fusion 3.247  kJ/mol
   Year of Discovery 1900    Location of Discovery Germany
(E°) Standard Potential None
Stable isotopes None. All natural isotopes are radioactive
Discovered/Synthesized by Friedrich Ernst Dorn
Natural Source Isolated from the decay product of Radium
Common Uses Surgical implants for cancer treatment
Other Info Considered to be the second most frequent cause of lung cancer.
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