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10203040506070809010011000.511.522.53‌ Å

66 - Dysprosium lanthanide

Atomic Mass (u)

162.5

Density (g/cm³)

8.54

Phase

Solid

Year of Discovery

1886
DysprosiumDyElectron 1Electron 2Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 9Electron 10Electron 11Electron 12Electron 13Electron 14Electron 15Electron 16Electron 17Electron 18Electron 19Electron 20Electron 21Electron 22Electron 23Electron 24Electron 25Electron 26Electron 27Electron 28Electron 1Electron 2Electron 3Electron 4Electron 5Electron 6Electron 7Electron 8Electron 1Electron 2

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