Statements (82)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Fermium
gptkb:Mendeleev's_Periodic_Table |
| gptkbp:average_temperature |
gptkb:public_square
|
| gptkbp:block |
s-block
|
| gptkbp:category |
alkali metal
|
| gptkbp:color |
gptkb:unknown
|
| gptkbp:composed_of |
highly reactive
|
| gptkbp:discovered_by |
gptkb:Marguerite_Perey
|
| gptkbp:dissolved |
reacts vigorously
|
| gptkbp:electronegativity |
0.7 (Pauling scale)
|
| gptkbp:historical_period |
gptkb:television_series
|
| https://www.w3.org/2000/01/rdf-schema#label |
francium
|
| gptkbp:isotopes |
gptkb:Fr-223
gptkb:theorem 87 Fr-213 Fr-214 Fr-215 Fr-216 Fr-217 Fr-218 Fr-219 Fr-220 Fr-221 |
| gptkbp:lifespan |
22 minutes
|
| gptkbp:melting_point |
27 ° C
677 ° C |
| gptkbp:members |
gptkb:musical
|
| gptkbp:occurs_in |
extremely rare
|
| gptkbp:origin |
gptkb:Monarch
|
| gptkbp:population |
7.59 g/cm³
|
| gptkbp:power_output |
13.9 e V
4.07 e V 9.32 e V |
| gptkbp:products |
gptkb:francium_chloride
gptkb:francium_hydroxide francium acetate francium antimonide francium arachidate francium arsenide francium azide francium behenate francium boride francium bromide francium butyrate francium caproate francium caprylate francium carbide francium carbonate francium cerotate francium cyanide francium fluoride francium formate francium hydride francium iodide francium laurate francium lignocerate francium linoleate francium linolenate francium melissate francium montanate francium myristate francium nitrate francium nitride francium oleate francium oxide francium palmitate francium phosphide francium propionate francium selenide francium silicide francium stearate francium sulfate francium sulfide francium telluride francium thiocyanate francium valerate |
| gptkbp:symbol |
Fr
|
| gptkbp:uses |
research purposes
|
| gptkbp:year_created |
1939
|