"Actinium" Example Sentences
1. Actinium is a highly radioactive element.
2. The chemical symbol for actinium is Ac.
3. Actinium has no stable isotopes.
4. Actinium is found in uranium ores.
5. Actinium is similar in properties to lanthanum.
6. Actinium glows in the dark due to its radioactivity.
7. Actinium is used in radiography and cancer therapy.
8. Actinium can be extracted from pitchblende.
9. Actinium emits alpha particles.
10. Actinium was discovered by André-Louis Debierne in 1899.
11. Actinium has a half-life of about 21.8 years.
12. Actinium is a rare earth element.
13. Actinium is a silvery-white metal.
14. Actinium is highly toxic and harmful if ingested.
15. Actinium is used in neutron sources for nuclear reactors.
16. Actinium decays into thorium-227.
17. Actinium is used in smoke detectors.
18. Actinium was named after the Greek word for ray.
19. Actinium has medical applications in radionuclide imaging.
20. Actinium is an important intermediate in the production of other radioactive isotopes.
21. Actinium has a high melting point of 1,050 °C.
22. Actinium has a density of 10.07 g/cm³.
23. Actinium is a poor conductor of heat and electricity.
24. Actinium is a rare and expensive element.
25. Actinium has no known biological role.
26. Actinium is used in the production of artificial isotopes for medical imaging.
27. Actinium can be used as a thermoelectric generator.
28. Actinium is the first member of the actinide series.
29. Actinium has a valence of +3.
30. Actinium has been used in experimental cancer treatment.
Common Phases
1.
Actinium is a radioactive element;
2.
Actinium has no stable isotopes;
3.
Actinium is commonly found in uranium ores;
4.
Actinium is used in neutron sources;
5.
Actinium has potential applications in cancer treatment.