|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:abundanceInEarthsCrust
|
1.5 ppb
|
|
gptkbp:allotropes
|
none
|
|
gptkbp:appearance
|
bluish-white
|
|
gptkbp:atomicNumber
|
76
|
|
gptkbp:atomicWeight
|
190.23
|
|
gptkbp:block
|
d-block
|
|
gptkbp:boilingPoint
|
5285 K
|
|
gptkbp:CASNumber
|
7440-04-2
|
|
gptkbp:category
|
transition metal
noble metal
platinum group
|
|
gptkbp:crystalSystem
|
hexagonal close-packed
|
|
gptkbp:density
|
22.59 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Smithson_Tennant
|
|
gptkbp:discoveredIn
|
1803
|
|
gptkbp:electricalResistivity
|
81.2 nΩ·m (20°C)
|
|
gptkbp:electronConfiguration
|
[Xe] 4f14 5d6 6s2
|
|
gptkbp:electronegativity
|
2.2 (Pauling scale)
|
|
gptkbp:foundIn
|
gptkb:United_Kingdom
platinum ores
|
|
gptkbp:hardnessMohs
|
7.0
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Osmium
|
|
gptkbp:isotopes
|
gptkb:Os-184
gptkb:Os-186
gptkb:Os-187
gptkb:Os-188
gptkb:Os-189
gptkb:Os-190
gptkb:Os-192
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:meltingPoint
|
3033 K
|
|
gptkbp:mostStableOxidationState
|
+4
|
|
gptkbp:namedAfter
|
Greek word osme (smell)
|
|
gptkbp:naturalOccurrence
|
Earth's crust
|
|
gptkbp:oxidationStates
|
+2
+3
+8
+6
+4
|
|
gptkbp:period
|
6
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:radioactive
|
Os-191
Os-193
Os-194
Os-195
|
|
gptkbp:relatedGroup
|
8
|
|
gptkbp:series
|
transition metal
|
|
gptkbp:symbol
|
gptkb:Os
|
|
gptkbp:thermalConductivity
|
87 W/(m·K)
|
|
gptkbp:toxicity
|
osmium tetroxide
|
|
gptkbp:usedFor
|
catalysts
electrical contacts
fountain pen tips
instrument pivots
|
|
gptkbp:bfsParent
|
gptkb:Up_for_the_Down_Stroke
|
|
gptkbp:bfsLayer
|
5
|