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It depends upon the isotope.
Here is a table for Polonium:
http://ie.lbl.gov/education/parent/Po_iso.htm
Wiki User
∙ 15y ago
Wiki User
∙ 11y ago8675309 years, but when it's often used it only lasts about 200 years
Wiki User
∙ 8y agoThe specific activity of polonium-210 is 4,5.10E3 Ci/g.
Wiki User
∙ 8y agoThe half life of polonium-212 is 299(2) nanoseconds.
Wiki User
∙ 14y agoDepending on the isotope. See the link.
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What effect did radium and polonium?
Polonium and radium are radioactive elements and toxic; they are dangerous.
What are polonium and radium?
Radium and polonium are natural radioactive chemical elements, discovered by Pierre and Marie Curie in 1898.
Is polonium shiny?
yes, it is also very radioactive.
Does Polonium have ions?
Polonium has 33 isotopes, more than any other element, of which all are radioactive.
What was the radium and polonium elements?
The radium and polonium elements were and still are radioactive elements.
Radium and polonium are discovered to be radioactive?
Yes, radium and polonium are radioactive elements.
What are the dangerous things about polonium?
Polonium is extremely radioactive.
Is polonium nuclear?
Polonium is a radioactive chemical element.
What are the dangers of polonium 218?
Polonium-218 is radioactive.
What is element of polonium?
Polonium is a natural radioactive element.
Is polonium healthy?
No. Polonium is an extremely deadly radioactive toxin.
What effect does polonium have on the body?
Polonium is extremely toxic and radioactive.
How did polonium hurt the world?
Polonium is extremely toxic and also radioactive.
What is a radium and a polonium?
Radium and polonium are radioactive natural chemical elements.
Is polonium man made?
No. Polonium is a natural product of radioactive dacay.
What kind of poison is polonium?
Polonium is dangerous because is extremely radioactive.
What health or safety issues does Polonium have?
Polonium is both chemically toxic and radioactive.
