Ho | Z = 67 | ◊ ◊ ◊ ◊ ◊ |
Holmium | |
From the Latin "Holmia", meaning "Stockholm" | ||||
(AM) Atomic Mass | 164.9304 amu | ♦ | Oxidation States | +3 |
(BP) Boiling Point | 2720  °C | ♦ | (MP) Melting Point | 1470 °C |
(ρ) Density | 8.78 g/cm3 | ♦ | Crystal Structure | Hexagonal |
( χ ) Electronegativity | 1.2 | ♦ | (AR) Atomic Radius | 1.58  Å |
Physical State | Solid | ♦ | (C) Heat Capacity | 0.165 J/g °C |
Electronic-Config | [Xe]  4f11  6s2  | ♦ | (I1) First Ionization E | 580.65 kJ/mol |
(ΔHvap) Heat of Vaporization | 265 kJ/mol | ♦ | (ΔHfus) Heat of Fusion | 17 kJ/mol |
Year of Discovery | 1867 | ♦ | Location of Discovery | Switzerland |
(E°) Standard Potential | Ho2+⇔ Ho (-2.100 V),   Ho3+⇔ Ho (-2.330 V) | |||
Stable isotopes |  165Ho | |||
Discovered/Synthesized by | Per Theodor Cleve | |||
Natural Source | The mineral/ore bastnasite, monazite, loparite | |||
Common Uses | Infrared lasers, laser surgery, eye-safe laser rangefinders, computer disks, yellow glass filters | |||
Other Info | Used as a dopant of crystals in high-performance lasers | |||
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