|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:abundance_in_nature
|
very rare
|
|
gptkbp:appearance
|
gptkb:unknown
|
|
gptkbp:average_temperature
|
gptkb:solid
|
|
gptkbp:block
|
d-block
d
|
|
gptkbp:casnumber
|
54037-13-5
|
|
gptkbp:category
|
transition metal
|
|
gptkbp:chemical_formula
|
d-block elements
|
|
gptkbp:class
|
transition metals
|
|
gptkbp:color
|
gptkb:unknown
|
|
gptkbp:commissioned
|
gptkb:1982
|
|
gptkbp:composed_by
|
fusion of bismuth and calcium
|
|
gptkbp:composed_of
|
predicted to be similar to iridium
|
|
gptkbp:cooling_system
|
gptkb:unknown
|
|
gptkbp:discovered_by
|
gptkb:GSI_Helmholtz_Centre_for_Heavy_Ion_Research
|
|
gptkbp:discovery
|
gptkb:Gottfried_Münzenberg
gptkb:Peter_Armbruster
gptkb:Darmstadt,_Germany
|
|
gptkbp:discovery_year
|
gptkb:1982
|
|
gptkbp:dissolved
|
gptkb:unknown
|
|
gptkbp:electronegativity
|
gptkb:unknown
[ Rn] 5f14 6d7
[ Rn] 5f14 6d7 7s2
|
|
gptkbp:element
|
ruthenium
|
|
gptkbp:financial_stability
|
very unstable
|
|
gptkbp:first_described_by
|
gptkb:1982
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Meitnerium
|
|
gptkbp:international_relations
|
unstable
|
|
gptkbp:is_set_in
|
gptkb:californium
gptkb:copper
gptkb:thallium
gptkb:americium
gptkb:curium
gptkb:einsteinium
gptkb:silver
gptkb:actinium
gptkb:astatine
gptkb:berkelium
gptkb:fermium
gptkb:francium
gptkb:mendelevium
gptkb:neptunium
gptkb:protactinium
gptkb:platinum
gptkb:gold
mercury
osmium
lead
zinc
nickel
radium
uranium
ruthenium
plutonium
radon
cadmium
iridium
thorium
rhodium
seaborgium
bismuth
polonium
dubnium
hassium
lawrencium
meitnerium
nobelium
rutherfordium
bohrium
|
|
gptkbp:isotopes
|
gptkb:true
109
Mt-278
Mt-276
Mt-277
Mt-279
Mt-280
Mt-281
Mt-282
Mt-283
Mt-284
Mt-285
Mt-286
|
|
gptkbp:lifespan
|
about 7.6 seconds
|
|
gptkbp:melting_point
|
gptkb:unknown
|
|
gptkbp:members
|
gptkb:9
transition metals
|
|
gptkbp:mode
|
alpha decay
nobelium
|
|
gptkbp:named_after
|
gptkb:Lise_Meitner
|
|
gptkbp:notable_conductors
|
gptkb:unknown
|
|
gptkbp:number
|
named after a female scientist
|
|
gptkbp:orbital_altitude
|
7th period
|
|
gptkbp:oxidation_states
|
+1, +3, +4
+1, +3
|
|
gptkbp:period
|
gptkb:7
|
|
gptkbp:population_density
|
gptkb:unknown
|
|
gptkbp:previous_name
|
gptkb:Meitnerium
|
|
gptkbp:research_importance
|
study of superheavy elements
|
|
gptkbp:safety
|
not well established
|
|
gptkbp:structure
|
gptkb:unknown
|
|
gptkbp:symbol
|
Mt
|
|
gptkbp:uses
|
research purposes
|
|
gptkbp:was_a_response_to
|
produced in heavy ion collisions
theoretical predictions only
|
|
gptkbp:bfsParent
|
gptkb:Officer_Meitnerium
|
|
gptkbp:bfsLayer
|
5
|