Dubnium

GPTKB entity

Statements (88)
Predicate Object
gptkbp:instance_of gptkb:chemical_compound
gptkbp:bfsLayer 6
gptkbp:bfsParent gptkb:Periodic_Table_of_Elements
gptkb:Seaborgium
gptkbp:average_temperature gptkb:public_square
gptkbp:block d-block
d
gptkbp:category transition metal
gptkbp:color gptkb:unknown
gptkbp:composed_of gptkb:unknown
fusion of lighter elements
gptkbp:contains_allergens none known
gptkbp:cooling_system gptkb:unknown
gptkbp:discovered_by gptkb:Flerov_Laboratory_of_Nuclear_Reactions
gptkb:Joint_Institute_for_Nuclear_Research
gptkb:Georgy_Flerov
synthesis in particle accelerators
gptkbp:dissolved gptkb:unknown
gptkbp:electronegativity gptkb:unknown
[ Rn] 5f14 6d3 7s2
[ Rn] 5f^14 6d^3 7s^2
gptkbp:elevation 7th period
gptkbp:environmental_impact gptkb:unknown
gptkbp:field gptkb:unknown
gptkbp:financial_performance unstable
gptkbp:geological_formation very low
gptkbp:historical_period gptkb:television_series
https://www.w3.org/2000/01/rdf-schema#label Dubnium
gptkbp:ingredients actinides
gptkbp:isotopes gptkb:theorem
105
Dubnium-260
Dubnium-261
Dubnium-262
Dubnium-263
Db-267
Db-268
Db-269
Db-270
Db-271
gptkbp:lifespan 34 hours
varies by isotope
approximately 1.5 days for Dubnium-260
approximately 12 hours for Dubnium-261
approximately 2.5 days for Dubnium-263
approximately 34 hours for Dubnium-262
gptkbp:melting_point approximately 4000 K
approximately 1120 K
~1120 ° C
~4100 ° C
gptkbp:members gptkb:5
group 5
gptkbp:named_after gptkb:Dubna
gptkbp:origin named after Dubna, Russia
gptkbp:population 17.6 g/cm³
approximately 17.6 g/cm³
gptkbp:power_output gptkb:unknown
gptkbp:previous_name gptkb:Dubnium
gptkbp:replaced_by gptkb:1970
gptkbp:roll_rate gptkb:unknown
gptkbp:safety_features radioactive material
gptkbp:set_in gptkb:Copernicium
gptkb:Livermorium
gptkb:Moscovium
gptkb:Nihonium
gptkb:Rutherfordium
gptkb:Tennessine
gptkb:Seaborgium
gptkb:Meitnerium
gptkb:Oganesson
gptkb:Hassium
tantalum
niobium
zirconium
rutherfordium
hafnium
gptkbp:social_structure gptkb:unknown
+5
+4
+5, +4, +3
gptkbp:species very rare
gptkbp:symbol Db
gptkbp:type_of metallic
54037-13-5
gptkbp:uses research purposes
gptkbp:was_a_response_to gptkb:unknown
similar to other group 5 elements
gptkbp:year_created gptkb:1970