Powered By Sispro1
Properties of Metals - Metallurgy
For Reference ONLY
Everything For The Detectorist
Non-Commercial Reseach Identification - Source Bibliography
Holmium
Atomic Number: 67
Symbol: Ho
Atomic Weight: 164.93032
Discovery: Delafontaine 1878 or J.L. Soret 1878 (Switzerland)
Electron Configuration: [Xe] 4f11 6s2
Element Classification: Rare Earth (Lanthanide)
Word Origin: Holmia, the Latinized name for Stockholm, Sweden.
Density (g/cc): 8.795
Melting Point (K): 1747
Boiling Point (K): 2968
Appearance: relatively soft, malleable, lustrous, silvery metal
Atomic Radius (pm): 179
Atomic Volume (cc/mol): 18.7
Covalent Radius (pm): 158
Ionic Radius: 89.4 (+3e)
Specific Heat (@20 C J/g mol): 0.164
Evaporation Heat (kJ/mol): 301
Pauling Negativity Number: 1.23
First Ionizing Energy (kJ/mol): 574
Oxidation States: 3
Lattice Structure: Hexagonal
Lattice Constant ( ): 3.580
Lattice C/A Ratio: 1.570
References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)
Atomic Number: 67
Symbol: Ho
Atomic Weight: 164.93032
Discovery: Delafontaine 1878 or J.L. Soret 1878 (Switzerland)
Electron Configuration: [Xe] 4f11 6s2
Element Classification: Rare Earth (Lanthanide)
Word Origin: Holmia, the Latinized name for Stockholm, Sweden.
Density (g/cc): 8.795
Melting Point (K): 1747
Boiling Point (K): 2968
Appearance: relatively soft, malleable, lustrous, silvery metal
Atomic Radius (pm): 179
Atomic Volume (cc/mol): 18.7
Covalent Radius (pm): 158
Ionic Radius: 89.4 (+3e)
Specific Heat (@20 C J/g mol): 0.164
Evaporation Heat (kJ/mol): 301
Pauling Negativity Number: 1.23
First Ionizing Energy (kJ/mol): 574
Oxidation States: 3
Lattice Structure: Hexagonal
Lattice Constant ( ): 3.580
Lattice C/A Ratio: 1.570
References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)
Copyright All Rights Reserved by Nigel G Wilcox E-Mail: ngwilcox100@gmail.com
Designed by Nigel G Wilcox
Elements - Alphabetical:
In This Group:
[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
Ref: H67
The Paragon Of Metal Detecting
& Archaeology
& Archaeology
Pages
Member NCMD
Reference Menu
