61 – Pm – Promethium
The luminous paint on the hand contains traces of radioactive promethium. Amount: unknown | |
With long exposure time the shining can be photographed in the dark. |
Physical and chemical data | |
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Atomic mass | 146.9151 |
Density | 7.22 g·cm-3 |
Melting point | 1080 °C |
Boiling point | 2730 °C |
Abundance | 1.00e-19 % |
Electronegativy | 1.1 |
Oxydation levels | 3 |
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 |