Answer: HALFLIFE
The answer HALFLIFE has 12 possible clues. See the results below.
Possible Clues:
- Measure of persistent radioactivity in lithium or iron?
- 24,110 years, for plutonium 239
- About 5700 years, for carbon-14
- Time of isotope decay
- Measure relating to radioactivity in lithium or iron?
- Radioactivity figure
- *Radioactive decay measure
- Property of some unstable materials, possibly lithium or iron
- Property of some elements: not all lithium and iron
- *Physics period