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Thorium, an element rarely found in some minerals.

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Which of the metal are not radioactive?

Most metals are stable and thus not radioactive.


What is the most radioactive isotope known to date?

The most radioactive isotope known to date is Californium-252.


Why are most elements radioactive?

Most of the natural occurring (isotopes of) elements are NOT radioactive.Though most of all the known isotopes are radioactive but most of them do NOT naturally occur.


What type of reaction produces the most dangerous radioactive waste?

What type of reaction produces the most dangerous radioactive waste?


What minerals are radioactive minerals?

The most familiar of the radioactive minerals is pitchblende which contains uranium.


How radioactive waste is disposed?

Most radioactive waste is sealed in special containers, and buried underground. Medical waste that may be radioactive is taken to landfills.


Where is most high-level radioactive waste put?

radioactive waste go somewhere probally in a labratory


Is xenon radioactive?

None of the isotopes of xenon ordinarily found in nature is radioactive. Like all elements, xenon has synthetic radioactive isotopes.


Does Barium have isotopes that are all radioactive?

No, Barium has both stable and radioactive isotopes. Out of its 25 known isotopes, only 6 of them are considered radioactive. The most stable isotope of Barium is Barium-138, which is not radioactive.


What is the most radioactive rock in the world?

Uraninite, also known as pitchblende, is one of the most radioactive rocks in the world. It is a uranium ore that can contain high concentrations of radioactive elements such as uranium and radium.


What element is the most radioactive lithium sodium or potassium?

Potassium is the most radioactive among lithium, sodium, and potassium. Potassium has a naturally occurring radioactive isotope, potassium-40, which is present in all potassium samples and contributes to its radioactivity.


What is the most reactive metal and nonmetal group in the periodic table?

caesium is the most reactive non-radioactive metal and Florine is the most reactive non-metal, but francium is the most reactive, radioactive metal