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Technetium, Promethium, and all elements heavier than Bismuth.
What else can I help you with?
What element is memeber of this group all isotopes of this element are radioactive?
There is no group specified so it is not possible to be sure about this answer but all isotopes of promethium are radioactive.
Is Pm a radioactive substance?
Pm is Prometheum. All isotopes of this element are radioactive.
Is astatine an example of radioactive element?
Yes. There are no stable isotopes of astatine, they are all radioactive.
Is the element sodium radioactive or non-radioactive?
non radioactive element
Can a radioactive element completely decay so that it is all stable matter?
A radioactive element (atom) can decay up to a stable isotope.
What element has all of their isotopes radioactive?
An example is uranium.
Does uranium exist in a stable non-radioactive form?
All the isotopes of uranium are radioactive and unstable.
What element family have no radioactive elements?
Radioactive elements exist in all groups of the periodic table.
All the isotopes of this element are radioactive?
Promethium, Technetium, and any element heavier than Bismuth.
Which element is radioactive and synthetic?
Plutonium is a synthetic element that is radioactive. It does not occur naturally in nature and must be artificially produced through the nuclear fission of uranium.
How do you use radioactive element in a sentence?
A radioactive element is one that discharges radiation. Uranium is a radioactive element. A radioactive element is very dangerous if you don't have protective clothing. You should never go near a radioactive element.
Is berkelium radioactive?
heck yeah it is so radioactive I almost pooped my pants
