"Actiniumm" Example Sentences
1. The actiniumm-227 isotope has a relatively short half-life.
2. Actiniumm belongs to the group of rare earth metals.
3. The actiniumm atom has 89 protons and 89 electrons.
4. Actiniumm was first discovered in 1899 by André-Louis Debierne.
5. The actiniumm nucleus has an atomic mass of 227.
6. Actiniumm has a silvery-white metallic appearance.
7. The actiniumm-225 isotope is used in radiation therapy.
8. Actiniumm has no known biological role.
9. The name actinium comes from the Greek word "aktis," meaning beam or ray.
10. Actiniumm can be found in uranium ores.
11. The largest known deposit of actiniumm is located in Western Australia.
12. Actiniumm has a melting point of 1,050 degrees Celsius.
13. The actiniumm-228 isotope is used as a tracer in medical research.
14. Actiniumm is highly radioactive and can be dangerous if not handled properly.
15. The actiniumm-226 isotope is produced in nuclear reactors.
16. Actiniumm has a density of 10.07 grams per cubic centimeter.
17. The actiniumm-223 isotope is used in cancer treatments.
18. Actiniumm was named after the element actinium because it shares similar properties.
19. The actiniumm-224 isotope is used in nuclear medicine.
20. Actiniumm has 20 known isotopes.
21. The actiniumm-227 isotope emits alpha particles as it decays.
22. Actiniumm is predicted to be a rare earth metal with a silvery appearance.
23. The actiniumm-228 isotope has a half-life of 6.15 hours.
24. Actiniumm can easily oxidize in air.
25. The actiniumm-225 isotope has a half-life of 10 days.
26. Actiniumm is used in some types of glow-in-the-dark paint.
27. The actiniumm-226 isotope has a half-life of 29 hours.
28. Actiniumm is highly reactive with halogens and forms a variety of compounds.
29. The actiniumm-223 isotope has a half-life of 21.8 hours.
30. Actiniumm is not found in nature as a free element, but rather as a part of other minerals.
Common Phases
1. Actinium is a silvery-white metal;
2. Actinium has no known biological role;
3. Actinium is highly radioactive;
4. Actinium has isotopes used in nuclear medicine;
5. Actinium was first discovered in 1899;
6. Actinium is found in small quantities in uranium ores;
7. Actinium has a half-life of 21.8 years;
8. Actinium emits alpha particles and gamma rays;
9. Actinium is used in research for radiation therapy;
10. Actinium is rare and expensive.