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Today are known approx. 3 000 radioactive isotopes, natural or artificial.

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Q: How many radioactive isotopes are known?
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Related questions

How many isotopes does chromium have?

Chromium has 25 known isotopes, 2 isomers, 3 of which are non-radioactive.


All isotopes radioactive?

No, there are many stable isotopes.


What is the change in isotopes over time due to the emission of radioactive particles is known as?

You think probable to radioactive decay.


What are isotopes considered radioactive?

Not all isotopes are radioactive; the radioactive isotopes are unstable and emit radiations.


Are all transition elements are radioactive?

Not all of the transition elements are radioactive. Many of them are, and some of them have common radioactive isotopes, but some of them have no naturally occurring radioactive isotopes. Please note that all elements have synthetic radioactive isotopes, at least.


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.


How many radioactive isotopes are there in germanium?

Natural germanium has only one radioactive isotope - germanium 76. 27 artificial radioisotopes of germanium are known.


How are radioactive isotopes different from isotopes?

Both isotopes and radioactive isotopes are pretty much the same but radioactive isotopes are better because it can be used to make medicine.


How many radioactive isotopes does gold have?

2


How many radioactive isotopes does uranium have?

All of them.


Does sodium contain radioactive isotopes?

Sodium has no radioactive isotopes.


Does radioactive isotopes have a stable nuclei?

Radioactive isotopes are not stable.