actinium
n.
Sample Sentences
- Actinium is known for its radioactivity and is used in certain medical treatments.
- The discovery of actinium in 1899 marked a significant advancement in the study of radioactive elements.
- Scientists have found that actinium can be used as a neutron source in various applications.
- Due to its scarcity, actinium is one of the rarest naturally occurring elements on Earth.
- The atomic number of actinium is 89, placing it in the actinide series of the periodic table.
- Researchers are exploring the potential of actinium-227 in targeted alpha-particle therapy for cancer.
- Safety precautions are crucial when handling actinium due to its highly radioactive nature.
- Actinium's bright metallic appearance is characteristic of many elements in the actinide group.
- In the past, actinium was used in the production of neutron sources for scientific research.
- Understanding the properties of actinium can help scientists develop better methods for radiation therapy.
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