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All of what element's isotopes are radioactive?
Technetium, Promethium, and all elements heavier than Bismuth.
All the isotopes of this element are radioactive?
Promethium, Technetium, and any element heavier than Bismuth.
What element are all of radioactive all?
Technetium, Promethium, and all elements heavier than Bismuth.
Find one element on the chart that has no stable isotopes?
Technetium, Promethium, and all elements heavier then Bismuth.
What rhymes with technetium?
For example promethium.
How many additional radioactive element discovered since Marie Curie discovered radium and polonium?
All chemical elements after uranium and promethium, technetium.
What is the non radioactive isotope of promethium?
All the isotopes of promethium are radioactive.
What is redioactive element?
A radioactive element is one that does not have a stable occurring isotope. Some of these elements include astatine, radon, technetium, promethium and so many more.
Promethium has radioisotopes?
All promethium isotopes are radioactive.
Which lanthanide element and which transition element have only radioactive isotopes?
All or almost all elements have radioactive isotopes if artificial isotopes are included. Among the naturally occurring elements, uranium, polonium, radium, and thorium have naturally occurring radioactive isotopes on earth.
What elements are radioactive?
Answerelements with a nonstable isotope or at least one naturally occurring isotope that is radioactive. AnswerAll elements have radioactive isotopes.There are a lot of radioactive elements: Technetium, Promethium, Polonium, Astatine, Radon, Francium...Here is the whole list: http://periodictable.com/Elements/Radioactive
Can promethium be used on edible plants?
It is impossible, promethium is highly radioactive.
