Statements (29)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:isotope
|
gptkbp:bfsLayer |
6
|
gptkbp:bfsParent |
gptkb:Ra-223
gptkb:actinium |
gptkbp:color |
silvery-white
|
gptkbp:combatants |
7.8 Me V
|
gptkbp:discovered_by |
gptkb:G._T._Seaborg
|
gptkbp:electronegativity |
[ Rn] 6d1 7s2
|
gptkbp:environmental_impact |
radioactive
|
gptkbp:financial_performance |
gptkb:theorem
|
https://www.w3.org/2000/01/rdf-schema#label |
Ac-227
|
gptkbp:ingredients |
actinides
|
gptkbp:isotopes |
gptkb:227
140 87 |
gptkbp:lifespan |
21.77 years
|
gptkbp:melting_point |
1050 ° C
1500 ° C |
gptkbp:members |
actinides
|
gptkbp:mode |
alpha decay
|
gptkbp:parent |
Th-231
|
gptkbp:population |
10.07 g/cm³
|
gptkbp:previous_name |
gptkb:Actinium-227
|
gptkbp:produced_by |
neutron capture
|
gptkbp:roll_rate |
5/2+
|
gptkbp:symbol |
Ac
|
gptkbp:type_of |
7440-43-9
|
gptkbp:uses |
radiotherapy
|
gptkbp:year_created |
1945
|