Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Radioactive decay
|
| gptkbp:commonIn |
gptkb:uranium
gptkb:Thorium gptkb:Radium Plutonium |
| gptkbp:discoveredBy |
gptkb:Ernest_Rutherford
|
| gptkbp:energyReleased |
Typically 4-8 MeV
|
| gptkbp:firstObserved |
1899
|
| gptkbp:governedBy |
Quantum tunneling
|
| gptkbp:hazardousIf |
Inhaled or ingested
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alpha decay
|
| gptkbp:involvesEmissionOf |
gptkb:Alpha_particle
|
| gptkbp:notableExample |
gptkb:Americium-241
Polonium-210 Radon-222 |
| gptkbp:occurredIn |
Heavy nuclei
|
| gptkbp:penetration |
Low
|
| gptkbp:preserves |
gptkb:Charge
Momentum Energy |
| gptkbp:productIs |
gptkb:Alpha_particle
Daughter nucleus |
| gptkbp:result |
Decrease in atomic number by 2
Decrease in mass number by 4 |
| gptkbp:stopsAt |
gptkb:newspaper
gptkb:skin |
| gptkbp:symbol |
α-decay
|
| gptkbp:usedIn |
gptkb:Radioisotope_thermoelectric_generators
Smoke detectors Radiometric dating |
| gptkbp:bfsParent |
gptkb:Meitnerium-280
|
| gptkbp:bfsLayer |
6
|