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radioactive
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What is the ability of the nuclei od some atoms to give off high energy particles and rays?
That ability is called radioactivity. Atoms with unstable nuclei emit high-energy particles or rays, such as alpha and beta particles or gamma rays, in order to become more stable. This process is known as radioactive decay.
What do radioactive materials do?
The atoms become some other type of atom. In the process, they emit some radiation, which contains energy. The radiation they emit typically include one or more of the following: alpha particles (helium-4 nuclei), beta particles (electrons or positrons), gamma rays, and neutrinos.
What type of energy does a radioactive piece of metal have?
A radioactive piece of metal has nuclear energy. This energy is released as the unstable atomic nuclei decay and emit radiation in the form of alpha particles, beta particles, or gamma rays.
What form of particles does radon emit?
Radon emits alpha particles, which are high-energy helium nuclei. These particles can cause damage to cells in the respiratory tract if inhaled and increase the risk of lung cancer.
What did radioactivity reveal about the structure of atoms?
It showed that atoms were divisible, there were subatomic particles within the atom. Atoms could change form and emit an enormous amount of energy.
Is radiation the energy released when nuclei of radioactive elements break down?
Yes, radiation is the energy released when the nuclei of radioactive elements undergo decay. This process can emit various forms of radiation, including alpha particles, beta particles, and gamma rays. These emissions occur as unstable nuclei transform into more stable configurations, releasing energy in the process.
What is the spontaneous process through which unstable nuclei emit radiation?
The spontaneous process in which unstable nuclei emit radiation is called radioactive decay. During this process, the unstable nucleus releases energy in the form of alpha particles, beta particles, or gamma rays in order to become more stable.
When do atoms emit light energy?
Atoms emit light energy for several reasons: Atoms emit visible light most often when an electron moves from an excited state to a less excited state. Atoms accelerating at high rates can emit bremsstrahlung, or breaking radiation. Finally, atomic nuclei in an excited state can decay to less excited states, emitting light energy. This energy usually not visible though, in the X or gamma ray spectrum.
What is a radioactive atoms?
Radioactive atoms are atoms that have unstable nuclei, which can undergo radioactive decay to become more stable. During this process, they emit radiation in the form of alpha particles, beta particles, or gamma rays. This emission of radiation can cause a change in the atom's composition or energy level.
What do unstable nuclei emit energy in the form of?
Please see the answer at the related question below.
What are atoms that emit particles and energy from the nuclei?
Energy can not be created. It can only be changed from one form to another. This is known as the principle of the conservation of energy.An example of how manipulating the structure of atoms releases energy can be seen in how a nuclear power plant works.A neutron (a heavy [relatively speaking] neutrally charged subatomic particle) is fired at a moderator (which slows it down) and then it hits an atom of a radioactive substance such as uranium. This can cause the uranium atom to undergo nuclear fission (which is where the atom splits).Uranium is used because it is naturally radioactive. It is inherently unstable and is more susceptible to splitting. This allows a chain reaction to take place. Some of the mass of the atom is then "converted" into energy (remember that mass is energy so no new energy is being created). This energy (some of which is in the form of heat) is used to turn water into steam, which in turn is used to power a turbine.This turbine is then used to create electricity. It does this by rotating magnets to create a magnetic field capable of inducing current. At the end of this process we have transferred some of the energy within the atom so that it can be used to provide electrical power!
What is the release of nuclear particles and energy called?
If atoms are radioactive, they can emit alpha,beta, or gamma radiation. The energy of the particles or rays emitted depends on the exact isotopes concerned, and varies widely from one to another.
