Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:application |
gptkb:medical_imaging
radiotherapy nuclear research |
| gptkbp:composed_by |
cold fusion
hot fusion |
| gptkbp:composed_of |
not well understood
|
| gptkbp:discovery |
synthesis in laboratories
|
| gptkbp:discovery_year |
gptkb:1940
gptkb:2010 |
| gptkbp:electronegativity |
complex electron shells
|
| gptkbp:example |
Oganesson (Og)
Copernicium (Cn) Livermorium (Lv) Moscovium (Mc) Tennessine (Ts) |
| gptkbp:financial_stability |
generally unstable
|
| gptkbp:future_prospects |
understanding of nuclear forces
exploration of new elements investigation of stability limits |
| https://www.w3.org/2000/01/rdf-schema#label |
Superheavy elements
|
| gptkbp:investigates |
short-lived isotopes
difficult to produce |
| gptkbp:isotopes |
greater than 103
isotopes can be produced in particle accelerators many isotopes exist some isotopes are synthetic |
| gptkbp:lifespan |
very short
|
| gptkbp:members |
group 17
group 13 group 14 group 15 group 16 |
| gptkbp:model |
quantum mechanical models used
relativistic effects significant |
| gptkbp:name |
IUPAC approval required
named after scientists or places |
| gptkbp:period |
period 7
period 8 |
| gptkbp:research_institutes |
gptkb:Lawrence_Berkeley_National_Laboratory
gptkb:Oak_Ridge_National_Laboratory gptkb:RIKEN_Institute gptkb:Joint_Institute_for_Nuclear_Research gptkb:GSI_Helmholtz_Centre_for_Heavy_Ion_Research |
| gptkbp:theoretical_predictions |
Island of stability
|
| gptkbp:was_a_response_to |
can create new elements
high-energy environments required involve heavy ion collisions predicted to be different from lighter elements |
| gptkbp:bfsParent |
gptkb:Agent_Flerovium
|
| gptkbp:bfsLayer |
7
|