actinium उदाहरण वाक्य

उदाहरण वाक्य

1. Actinium also has two meta states.
2. The major difficulty in separation of actinium is the similarity of its properties with those of lanthanum.
3. Update : I think the actinium that the site sells is actually a compound ( nitrate ).
4. All but two tested positive for actinium-227, the radioactive isotope the workers were cleaning up.
5. It is the ninth product of the neptunium decay series as a daughter isotope of actinium-225.
6. Actinium can be made in reasonable amounts, and has a decent half-life of 21 years.
7. Sullivan said actinium-227 tends to accumulate in the liver, but he downplayed the potential health risk.
8. Protactinium is more abundant ( 10  " 12 % ) in the Earth's crust than actinium.
9. Thus actinium is either synthesized in nuclear reactions from isotopes of radium or separated using ion-exchange procedures.
10. Chemically, actinium is similar to lanthanum, which is explained by their similar ionic radii and electronic structure.