Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
isotope
|
| gptkbp:atomicNumber |
84
|
| gptkbp:discoveredBy |
gptkb:Emilio_Segrè
|
| gptkbp:discoveredIn |
1949
|
| gptkbp:halfLife |
103 years
|
| https://www.w3.org/2000/01/rdf-schema#label |
polonium-209
|
| gptkbp:isomerOf |
gptkb:polonium
|
| gptkbp:massNumber |
209
|
| gptkbp:mode |
alpha decay
|
| gptkbp:neutrons |
125
|
| gptkbp:parent |
gptkb:lead-205
|
| gptkbp:protons |
84
|
| gptkbp:radioactive |
yes
|
| gptkbp:stable |
no
|
| gptkbp:symbol |
gptkb:Po-209
|
| gptkbp:bfsParent |
gptkb:polonium
|
| gptkbp:bfsLayer |
5
|