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Nuclear radiation refers to charged particles or energy emitted by an unstable what?
Nucleus
What happens when an unstable nucleus undergoes radioactive decay?
Particles or electromagnetic radiation are emitted.
What is a type of nuclear radiation?
Alpha - Stable Helium Nucleus without any electrons Beta - A negatively charged electron emitted from the nucleus when a neutron turns into a proton Gamma - An high energy, short wavelength Electro Magnetic Wave emitted when an unstable atom has too much energy
How are energy loss and nuclear stability related to radioactive decay?
Energy loss in the form of emitted radiation during radioactive decay occurs because the nucleus becomes more stable by undergoing the decay process. The emitted radiation carries away energy and particles, resulting in a more stable nucleus with lower energy levels. Thus, radioactive decay helps to increase the overall stability of the nucleus by reducing excess energy.
What is the difference between radioactive and non-radioactive isotope?
Radioactive minerals are unstable and emit radiation at a constant rate. They also have half lives and lose energy overtime. Nonradioactive minerals are stable, and by there own are incapable of emitting energy.
Why gamma radiation emitted in nucleus?
Gamma radiation is emitted by the nucleus when it transitions to a lower-energy state following an alpha or beta decay process. This high-energy electromagnetic radiation helps stabilize the nucleus by releasing excess energy and reaching a more stable configuration.
What conditions in the nucleus are likely to result in an atom undergoing radioactive decay?
A nucleus can be inherently unstable. It can absorb an energetic photon (photoactivation) and become unstable. It can capture positrons, electrons, neutrons, and protons and become unstable. Decay processes include: # Alpha emission, a high energy 4He nucleus # Beta emission, a high energy electron # Beta+ emission / Beta capture, either a positron is emitted or an electron is captured into the nucleus (Burp!) # Gamma emission, one or more high energy photons are emitted # Neutron emission, neutrons of varying energies may be ejected in the process of a heavy nucleus decay (even tritium).
When is gamma rays emitted?
Gamma rays are emitted during nuclear reactions or radioactive decay processes when an atomic nucleus transitions to a lower energy state, releasing high-energy photons in the form of gamma rays. This emission can occur in various situations, such as in nuclear fusion reactions, radioactive decay of unstable isotopes, or high-energy astrophysical phenomena.
What does the process in which an unstable atomic nucleus emits charged particles or energy or both?
In the process of radioactive decay an unstable atomic nucleus emits energy to get closer to a state of stability. Whether this energy is emitted in particles, electromagnetic radiation, or both depends on which decay paths are available to the nucleus and which decay paths are forbidden to the nucleus by Quantum Mechanics.Some of the decay processes are:alpha - energy is released in the momentum of the ejected alpha particle (helium nucleus)beta - energy is released in the momentum of the ejected electron or positron (and the hard to detect neutrino)gamma - energy is released as electromagnetic radiation (gamma ray photon)spontaneous fission - energy is released in the momentum of the ejected fission product atoms and the ejected neutrons
What part of the atom does nuclear radiation come from?
Nuclear radiation comes from the nucleus of an atom. It can be emitted in the form of alpha particles (helium nuclei), beta particles (high-energy electrons), or gamma rays (high-energy electromagnetic radiation).
How many neutrons are emitted when a californium-249 nucleus is bombarded with carbon-12 nucleus to produce a Rf nucleus?
In this nuclear reaction, the total number of neutrons emitted would depend on the specific reaction and energy of the collision. However, typically when a californium-249 nucleus is bombarded by a carbon-12 nucleus to produce a Rf nucleus, several neutrons are emitted in the process. The exact number of neutrons emitted can vary.
When electrons move closer to the nucleus is energy lost or gained?
The electron decreases energy when it comes nearer to the nucleus.
