Soddy–Fajans rule
E734965
The Soddy–Fajans rule is a principle in nuclear chemistry that predicts how the emission of alpha or beta particles changes one element into another by altering its position in the periodic table.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
radioactivity rule
ⓘ
rule in nuclear chemistry ⓘ |
| appliesTo |
alpha decay
ⓘ
beta minus decay ⓘ beta plus decay ⓘ electron capture ⓘ |
| category |
Nuclear chemistry
ⓘ
Nuclear physics principles ⓘ Radioactivity ⓘ |
| concerns |
atomic number
ⓘ
mass number ⓘ position in periodic table ⓘ |
| describes |
change of atomic number during radioactive decay
ⓘ
change of chemical element during radioactive decay ⓘ |
| field |
nuclear chemistry
ⓘ
nuclear physics ⓘ radiochemistry ⓘ |
| historicalContext | formulated in early 20th century ⓘ |
| namedAfter |
Frederick Soddy
NERFINISHED
ⓘ
Kazimierz Fajans NERFINISHED ⓘ |
| predicts |
change of element identity after alpha decay
ⓘ
change of element identity after beta decay ⓘ movement of nuclides in the periodic table after decay ⓘ |
| relatedConcept |
isobars
ⓘ
isotopes ⓘ nuclear decay ⓘ nuclear stability ⓘ nuclide chart NERFINISHED ⓘ radioactivity ⓘ |
| relatesTo |
nuclear transmutation
ⓘ
radioactive series ⓘ transmutation of elements ⓘ |
| states |
alpha decay decreases atomic number by 2
ⓘ
alpha decay decreases mass number by 4 ⓘ beta minus decay increases atomic number by 1 ⓘ beta minus decay leaves mass number unchanged ⓘ beta plus decay decreases atomic number by 1 ⓘ beta plus decay leaves mass number unchanged ⓘ electron capture decreases atomic number by 1 ⓘ electron capture leaves mass number unchanged ⓘ |
| usedFor |
interpreting decay chains
ⓘ
predicting daughter nuclide from parent nuclide ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.