americium
- n a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
- Curium can be made by bombarding plutonium with alpha particles, or americium with neutrons.
- By bombarding americium with alpha particles, they had produced another new element, with 97 electrons.
- Officials tell PTI it's extremely unlikely that enough americium could be harvested from smoke detectors to create a device potent enough to inflict radiation sickness, let .