Holmium

GPTKB entity

Statements (35)
Predicate Object
gptkbp:instance_of gptkb:chemical_compound
gptkbp:category lanthanide
gptkbp:color silvery-white
gptkbp:cooling_system 16.2 W/(m· K)
gptkbp:discovered_by gptkb:Sweden
Marc Delafontaine
gptkbp:electronegativity 1.23 (Pauling scale)
https://www.w3.org/2000/01/rdf-schema#label Holmium
gptkbp:is_vulnerable_to +1.5 × 10⁻⁶ m³/mol
gptkbp:isotopes gptkb:Ho-165
gptkb:Ho-166
67
Ho-163
gptkbp:melting_point 1474 K
2720 K
gptkbp:occurs_in rare earth minerals
gptkbp:origin holmium, from Holmia (Latin for Stockholm)
gptkbp:population 8.795 g/cm³
gptkbp:products Holmium bromide
Holmium chloride
Holmium fluoride
Holmium iodide
Holmium oxide
Holmium sulfate
gptkbp:social_structure +3
hexagonal close-packed
gptkbp:species 0.0003%
gptkbp:symbol Ho
gptkbp:uses nuclear reactors
lasers
magnetic materials
gptkbp:water_resistance 0.00055 Ω·m
gptkbp:year_created 1878
gptkbp:bfsParent gptkb:Periodic_Table_of_Elements
gptkbp:bfsLayer 6