You think probable to radium.
Polonium doesn't contain another element.
Polonium doesn't contain another element.
The chemistry of polonium is not known in details but I suppose that this element is oxygen.
Yes. but it is a very rare naturally occurring element.
Natural polonium exist probable as a compound (as PoPb) but this hypothesis was not surely confirmed up today.
this is a guess but beryllium?
Yes
Oxygen, hydrogen, halogens
Very probable this element is oxygen.
Very probable this element is oxygen.
Oxygen, hydrogen, halogens
pedophilium. It has been named after the native country of Marie Curie, the element's discoverer.