- 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
Atomic Mass (u)
1680.15
Melting Point (K)
2840
Boiling Point (K)
8.54
Density (solid: g/cm³, gas: g/liter)
2.5
Atomic Radius (Å)
1.92
Covalent Radius (Å)
1.22
Electronegativity
5.94
First Ionization Energy (eV)
33.96
Electron Affinity
6
Number of Shells
2, 8, 18, 28, 8, 2
Electron Shell Occupations
0.17
Specific Heat (J/g)