dubnium

GPTKB entity

Statements (52)
Predicate Object
gptkbp:instanceOf gptkb:chemical_compound
gptkbp:appearance gptkb:unknown
gptkbp:atomicNumber 105
gptkbp:atomicWeight [268] (most stable isotope)
gptkbp:block d-block
gptkbp:boilingPoint gptkb:unknown
gptkbp:CASNumber 53850-35-4
gptkbp:category superheavy element
transition metal
gptkbp:compounds gptkb:dubnium_oxychloride
gptkb:dubnium_pentachloride
gptkb:dubnium_pentafluoride
gptkbp:discoveredBy gptkb:Lawrence_Berkeley_National_Laboratory
gptkb:Joint_Institute_for_Nuclear_Research
gptkbp:discoveredIn gptkb:Berkeley,_California,_USA
gptkb:Dubna,_Russia
1967
gptkbp:electronConfiguration [Rn] 5f14 6d3 7s2
gptkbp:electrons 105
gptkbp:isotopes gptkb:dubnium-261
gptkb:dubnium-262
gptkb:dubnium-263
gptkb:dubnium-264
gptkb:dubnium-265
gptkb:dubnium-266
gptkb:dubnium-267
gptkb:dubnium-268
gptkb:dubnium-270
gptkbp:IUPACName gptkb:dubnium
gptkbp:meltingPoint gptkb:unknown
gptkbp:mostStableIsotope gptkb:dubnium-268
gptkbp:namedAfter gptkb:Joint_Institute_for_Nuclear_Research,_Dubna
gptkb:Dubna
gptkbp:namedFor gptkb:IUPAC
gptkbp:naturalOccurrence synthetic
gptkbp:neutrons_(most_stable_isotope) 163
gptkbp:oxidationStates +3
+5
+4
gptkbp:period 7
gptkbp:previousName gptkb:unnilpentium
gptkbp:previousSymbols Unp
gptkbp:protons 105
gptkbp:radioactive true
gptkbp:relatedGroup 5
gptkbp:standardState solid (predicted)
gptkbp:symbol gptkb:Db
gptkbp:uses gptkb:scientific_research
gptkbp:bfsParent gptkb:Albert_Ghiorso
gptkb:JINR
gptkbp:bfsLayer 5
https://www.w3.org/2000/01/rdf-schema#label dubnium