An unstable nucleus (radioactive isotope) may emit: alpha particles, beta particles, gamma radiations, electrons, positrons, X-rays, and neutrons, depending on which nucleus is doing the emitting.
An unstable nucleus in an atom will eventually decay through nuclear fission. When this happens, it will emit radiation and some number of energetic neutrons and/or protons and electrons. Sometimes it splits into two new atoms whose total mass almost adds-up to that of the original.
An unstable nucleus could emit any of several things when it undergoes radioactive decay. It depends on the nucleus in question and the type of decay it undergoes. We could see an electron or a positron (with an antineutrino or neutrino in beta minus and beta plus decay), an alpha particle (alpha decay), a neutron or neutrons (spontaneous fission), or even a gamma ray from an excited nucleus. Use the links below to related questions for more information.
The name is radioactive isotopes.
It depends of the type of decay -- It can release alpha particles, beta particles, or gamma rays.
BULL its alpha b particle
These are radioactive.
radiation
An unstable nucleus loses particles until it becomes stable.
It isn't really an ELEMENT that is unstable, but an ISOTOPE. That means that in general, for the same element, some atoms will decay, and some will not - the difference being the number of neutrons in the nucleus.
A nucleus that starts to decay is called a radioactive nucleus or atom. It decays with a known and unique half life by several processes including but not limited to beta decay, alpha decay, electron capture decay, and positron emission.
Atomic nuclei that are unstable and decaying are said to be radioactive. Radioactive decay involves alpha, beta and gamma particle emissions.
A radioactive element has unstable atomic nuclei. These nuclei will decay according to the decay scheme for that given element under inspection. Depending on the type of decay, an alpha particle (a helium-4 nucleus), or a beta particle (an electron or a positron, depending) may be ejected from the nucleus. This will result in nuclear transformation. With each decay, a "new" nuclear configuration will appear, and these nuclei will, if they are also unstable, undergo further radioactive decay along what is called a decay chain. With continued decay, the atoms will change and reach the end of the chain, and this will be signaled by the appearance of a stable atomic nucleus.
An unstable nucleus loses particles until it becomes stable.
Atomic nuclei that are unstable and decaying are said to be radioactive. Radioactive decay involves alpha, beta and gamma particle emissions.
The process of a radioactive decay is atomic nucleus of an unstable atom loses energy by emitting ionizing particles
It isn't really an ELEMENT that is unstable, but an ISOTOPE. That means that in general, for the same element, some atoms will decay, and some will not - the difference being the number of neutrons in the nucleus.
the unstable nucleus will decay into smaller, stable particles.
Positrons are emitted from proton-rich radioactive during positive beta-decay.
A nucleus that starts to decay is called a radioactive nucleus or atom. It decays with a known and unique half life by several processes including but not limited to beta decay, alpha decay, electron capture decay, and positron emission.
it is used by scientist to to calculate a rock's age
A stable nucleus is one which will not decay, whereas an unstable nucleus will decay at some point, which cannot be predicted as decay is a random process, by alpha or beta decay.
Particles or electromagnetic radiation are emitted.
Atomic nuclei that are unstable and decaying are said to be radioactive. Radioactive decay involves alpha, beta and gamma particle emissions.
radioactive decay