astatine वाक्य

उदाहरण वाक्य

1. IS there a reason why At-211 is not the longest-lived astatine isotope?
2. Neither the most stable isotope astatine-210 nor the medically useful astatine-211 occurs naturally.
3. Neither the most stable isotope astatine-210 nor the medically useful astatine-211 occurs naturally.
4. No stable or long-lived astatine isotope has been observed nor is one expected to exist.
5. It used to be known as radioactive metal that decays into astatine, radium, and radon.
6. Chemically, several anionic species of astatine are known and most of its compounds resemble those of iodine.
7. Isotopes of astatine are sometimes not listed as naturally occurring because of misconceptions or discrepancies in the literature.
8. Five elements are less frequently so classified : carbon, aluminium, selenium, polonium, and astatine.
9. Germanium forms tetrahalides with all halogens except astatine and forms dihalides with all halogens except bromine and astatine.
10. Germanium forms tetrahalides with all halogens except astatine and forms dihalides with all halogens except bromine and astatine.