The empirical atomic radius of polonium is 168 pm.
The empirical atomic radius of selenium is 120 pm.
Yes, selenium is bigger than polonium. Selenium is a nonmetal element with an atomic number of 34 and a larger atomic radius compared to polonium, which is a metalloid element with an atomic number of 84 and a smaller atomic radius.
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sulfur, selenium, tellunum and polonium
Carbon dioxide is not part of sulfur, tellurium, selenium, or polonium. Carbon dioxide is a compound composed of carbon and oxygen atoms. Sulfur, tellurium, selenium, and polonium are elements on the periodic table that do not contain carbon or oxygen in their chemical structures.
sulfur, selenium, tellurium, and polonium
The members are sulfur,selenium,tellurium,polonium
The chalcogens are the elements oxygen, sulfur, selenium, tellurium and polonium. None of these is purple.
polonium
sulphur, selenium, tellurium and polonium belong to the oxygen family.
carbon, nitrogen, oxygen, sulfur,selenium, and phosphorus are all in the same group
Sulphur, selenium, tellurium, polonium and Uuh are other members of oxygen family.
Max Schmidt has written: 'Anorganische Chemie' 'The chemistry of sulphur, selenium, tellurium and polonium'