67
164.93 u
Ho
Holmium
Lanthanide
Atomic Structure
Physical State
Group
N/A
Period
6
Block
f
Electron Configuration
[Xe] 4f¹¹ 6s²
Physical Properties
Atomic Mass:
164.93 u
Electronegativity:
1.23
Atomic Radius:
226 pm
Ionization Energy:
6.022 eV
Density:
8.795 g/cm³
Melting Point:
1734 K
Boiling Point:
2993 K
Historical Information
Discovered By:
Marc Delafontaine
Year Discovered:
1878