- Atomic Radius (Å)
Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.
66
Atomic Number
162.5 u
Atomic Mass
1680.15 K
Melting Point
2840 K
Boiling Point
8.54 g/cm³
Density
2.5 Å
Atomic Radius
1.92 Å
Covalent Radius
1.22
Electronegativity
5.94 eV
First Ionization Energy
33.96
Electron Affinity
6
Number of Shells
2, 8, 18, 28, 8, 2
Electron Shell Occupations
0.17 J/g
Specific Heat