Radioactive.
Radioactive waste is nearly always a mixture but it is possible to be a pure substance.
Yes
The particles emitted by a radioactive substance can change other atoms, and in some cases, they will turn into radioactive isotopes.
Yes. A radioactive atom is a radioactive atom. If that atom exists as a single atom and is uncombined and it is radioactive, it's radioactive. If that same atom is chemically combined with another or other atoms, it's still radioactive. It's just that simple.
Radioactive.
Radioactive substances are unstable as a result of the extra neutrons present in the nuclei of the substance. Non-radioactive substances are stable.
Radioactive waste is nearly always a mixture but it is possible to be a pure substance.
A radioactive substance emit nuclear radiations.
Yes
Pm is Prometheum. All isotopes of this element are radioactive.
H3, Deuterium is radioactive. Uranium and plutonium are radioactive and are used in atomic bombs.
In physics, an alpha emitter is a radioactive substance which decays by emitting alpha particles.
Radioactive substances are unstable as a result of the extra neutrons present in the nuclei of the substance. Non radioactive substances are stable.
That the substance is dangerous & explosive.
Yes, and the question is ... ?
Any substance which is emitting ionizing particles is radioactive. An example is the metal called Plutonium.