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What is the difference between a nuclear decay from a chemical reaction?
Nuclear decay involves the contents of the atomic nucleus, the protons and neutrons. Chemical reactions involve the electrons.
When a nucleus undergoes nuclear decay by gamma rays the atomic number of the element?
nothing, the nucleus just relaxes to a lower energy state that is more stable
What are examples of nuclear changes in mass?
Changes in nuclear mass can happen when, say, radioactive decay occurs and a nucleus loses mass. When an unstable atomic nucleus "adjusts" to a new state, it dumps a particle or particles, and energy, and its mass decreases. Certainly nuclear fission will cause a dramatic reduction in nuclear mass, but this is the actual "breaking up" of a nucleus into smaller nuclei called fission fragments. Perhaps an example will help. The element radon is an inert gas, but it has no stable isotopes. It's most stable isotope, 222Rn, appears as a decay product of radium; it's a radioactive daughter. It turns out that 222Rn decays by alpha emission, and that means that two neutrons and two protons are kicked out of the nucleus. This will produce the radioactive daughter product polonium-218. It is possible for a nucleus to absorb a particle and gain mass. Frequently this will cause nuclear instability (if it doesn't actually initiate fission) and create a radionuclide, which is unstable and will eventually decay. But something like, say, neutron absorption (neutron capture) will result in an atomic nuclei with a greater mass than the original atomic nucleus that absorbed that neutron. It is of note that fusion knits smaller nuclei or particles together to create a larger nucleus, but this may not necessarily be considered a "simple increase" of mass in a nucleus, though the resultant nucleus will be heavier than any constituent nucuei or particles. You may want an example. If we stick some uranium-238 into an operating nuclear reactor, the 238U will absorb a neutron to become 239U, which is heavier by one neutron that the atomic nucleus that absorbed that neutron. (The 239U is unstable and decays in a couple of steps to make 239Pu, which is used as the fissile material in most nuclear bombs and as a fuel in some nuclear reactors.) Use the links below to related articles posted by our friends at Wikipedia, where knowledge is free.
How does nuclear decay affect the atomic number and mass number of a nucleus that changes after undergoing decay?
Beta+ decay and electron capture causes the atomic number to drop by one. Beta- causes the the atomic number to rise by one.Proton emission causes the atomic and mass number to drop by one.Neutron emission causes the mass number to drop by one.Alpha decay causes the atomic number to drop by two and the mass number to drop by four.
What is 'Atomkraft' when translated from German to English?
"Atomic power" is an English equivalent of the German word Atomkraft. The feminine singular noun translates literally as "atomic energy" or "atomic strength" and sometimes as "nuclear power." The pronunciation will be "a-TOM-kraft" in Hanoverian German.
Which part of atom take part in nuclear reaction?
The nucleus of an atom is the part that takes part in nuclear reactions. It consists of protons and neutrons, which are involved in processes such as fission and fusion. The electrons surrounding the nucleus are not typically involved in nuclear reactions.
How is the atomic bomb nuclear?
It gets its energy from the atomic nucleus.
Were is nuclear energy found?
In the atomic nucleus.
Why is the nuclear energy called nuclear energy?
Nuclear energy is called so because it refers to the energy released from the nucleus of an atom through processes like fission or fusion. This energy is harnessed in nuclear power plants to generate electricity.
Transmutation does not occur in which of these nuclear processes?
Transmutation does not occur in nuclear fission, where atomic nuclei are split into smaller fragments. Transmutation involves changing the identity of an atomic nucleus by altering the number of protons and neutrons it contains, which occurs in nuclear fusion reactions and radioactive decay processes.
What is difference between atomic energy and nuclear energy?
Atomic energy is really a misnomer for nuclear energy. It is the fissioning of the nucleus which causes energy to be released. At the atomic level we are dealing with chemical reactions, but in the early days people did talk of atomic power and atomic bombs.
What is meant by nuclear physics?
It means, physics of the nucleus - meaning the atomic nucleus.
What is the term for a symbolic method of expressing the composition of an atomic nucleus?
The term is nuclear notation or nuclear symbol. It is a shorthand way to represent the composition of an atomic nucleus, indicating the chemical element symbol, mass number, and atomic number of a particular nucleus.
What is the antonym of nuclear fusion?
The antonym of nuclear fusion is nuclear fission. Nuclear fusion is the process of combining atomic nuclei to form a heavier nucleus, while nuclear fission is the process of splitting a heavy atomic nucleus into smaller nuclei.
The two processes which produce nuclear changes are?
The two processes that produce nuclear changes are nuclear fusion and nuclear fission. Nuclear fusion involves combining two atomic nuclei to form a heavier nucleus, while nuclear fission involves splitting a heavy nucleus into smaller ones. Both processes release a large amount of energy.
What is the scientific name for nuclear energy?
The scientific term for nuclear energy is "nuclear power." This energy is produced through reactions in the atomic nucleus, specifically through processes like nuclear fission or fusion to generate heat that can be converted into electricity.
What is nuclear energy definition?
energy derived from the atomic nucleus
