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Polonium (Po)
Atomic number: 84 · Category: post-transition metal · Group 16 · Period 6 · Phase: Solid
Polonium is a chemical element with symbol Po and atomic number 84, discovered in 1898 by Marie Curie and Pierre Curie. A rare and highly radioactive element with no stable isotopes, polonium is chemically similar to bismuth and tellurium, and it occurs in uranium ores. Applications of polonium are few.
Atomic mass: 209
Density: 9.196
Melting point: 527 K
Boiling point: 1235 K
Appearance: silvery
Source: Wikipedia
Block: p
Molar heat: 26.4
CPK color:#ab5c00
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p4
Configuration (semantic): [Xe] 4f14 5d10 6s2 6p4
Shells: 2, 8, 18, 32, 18, 6
Electronegativity (Pauling): 2
Electron affinity: 136
Ionization energies: 812.1
Periodic position
Group: 16
Period: 6
xpos: 16
ypos: 6
Spectral/Bohr images
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3D Model