Fred Bayer | Rosenheim | Germany | (+49) 8031 86550 | fred@bayerf.de

61 – Pm – Promethium

Pm The luminous paint on the hand contains traces of radioactive promethium. Amount: unknown
Pm With long exposure time the shining can be photographed in the dark.

Physical and chemical data
Atomic mass146.9151
Density7.22 g·cm-3
Melting point1080 °C
Boiling point2730 °C
Abundance1.00e-19 %
Oxydation levels3
Electron configuration[Xe]4f5 6s2

  H   He
Li Be   B C N O F Ne
Na Mg   Al Si P S Cl Ar
K Ca Sc   Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y   Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U Np Pu Am Cm  
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