Normal hydrogen is stable.Hydrogen-2 (deuterium) is also stable, but only about one hydrogen atom in a million is deuterium.
Hydrogen-3 (tritium) is radioactive, and exceedingly rare. There are trace amounts of tritium on Earth (far, far less than deuterium) due to the interaction of cosmic rays with the atmosphere, particularly with nitrogen.
Thulium is a non-radioactive element. It is part of the lanthanide series on the periodic table and has no stable isotopes that are radioactive. Thulium-169, the most common isotope, is stable and does not undergo radioactive decay. Therefore, thulium is considered non-radioactive.
Yes, americium is a radioactive metal. This element has no stable isotopes.
All the isotopes of uranium are radioactive and unstable.
If you had a stable element 115, then by definition there would need to be at least one non-radioactive isotope. Stable elements are those that have at least one nonradioactive isotope. Of course, the other isotopes of the element could all be radioactive.
All the isotopes of nobelium are radioactive and unstable.
Not always -- Hydrogen-3 is radioactive, for example.
Technetium (Tc) is the element that has no stable isotopes. All of its isotopes are radioactive with half-lives ranging from minutes to millions of years.
A radioactive element (atom) can decay up to a stable isotope.
The lightest "element" that can undergo radioactive decay is the isotope hydrogen-3, which undergoes beta decay. The lightest element with no radioactively stable isotopes is technetium, and its isotopes have different modes of decay.
Yes, lead is a stable element and is not considered radioactive.
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Being radioactive, uranium is not a stable element.
no,palladium doesn't release radio active energy.It can absorb hydrogen .
The name for the time required for half of a radioactive element to decay into a stable element is called the half-life. It is a constant value unique to each radioactive isotope, and it is used to measure the rate of radioactive decay.
Thulium is a non-radioactive element. It is part of the lanthanide series on the periodic table and has no stable isotopes that are radioactive. Thulium-169, the most common isotope, is stable and does not undergo radioactive decay. Therefore, thulium is considered non-radioactive.
No, americium is an unstable and radioactive chemical element.
Yes, americium is a radioactive metal. This element has no stable isotopes.