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Deuterium, deuterium, tritium and tritium are all atoms, this reaction cannot be controlled at present, it can only be used as a **, hydrogen bomb is. This is nuclear fusion.
The other is that nuclear power plants use U, Pu, and Th fission, which are the heavy nuclei of atomic nuclei, for fission. Atomic bombs, and nuclear power plants, too, we are now able to control the use of atomic energy.
In fact, as long as the conditions can be met, any kind of nucleus can be fused, and the popular understanding is that two nuclei become one nucleus. At 10 million degrees, hydrogen fuses into helium, which burns for billions to tens of billions of years. After the reaction gradually stops, the star begins to shrink, causing the temperature to rise, and at 100 million degrees, helium fuses into carbon, which burns for about a few hundred to tens of millions of years, after which carbon fusion becomes nitrogen, and nitrogen fusion becomes oxygen ......Until fusion turns to silicon, at 2 billion degrees, silicon begins to fuse and initiates hundreds or thousands of nuclear reactions, which are eventually converted to iron.
Iron is the most stable of all the elements, and if it is to be converted into other elements, it must absorb heat.
Question added: Can hydrogen atoms be fissioned?
Do the nuclear reactions of these atoms all release energy?
Can atoms that are not of the same kind of element fuse with each other? Answer.
Hydrogen atoms are not fissionable.
Yes, if there is a reaction, energy can be released, but in the case of fusion, a certain amount of energy must be absorbed before the fusion reaction can occur, and then a large amount of energy (more than absorbed) is released
3 Theoretically, yes, but there is no such situation in nature, and generally stars are fused by hydrogen nuclei to helium nuclei after the interior is fused, and then helium nuclei are fused, and then pushed in order.
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Theoretically, all elements can be fused, as long as there are sufficient conditions. But natural fusion requires other factors, to keep fusion going on, you have to have a steady stream of energy, so where does the energy come from, generally the fusion or fission of matter will release energy, but iron whether it is fusion or fission consumes energy, so the nuclear reaction stops.
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The nucleus is a positively charged proton (consisting of 2 upper quarks with a 2 3 positive charge and 1 lower quark with a 1 3 negative charge).
and neutrons (consisting of 1 upstream quark with a positive charge of 2 3 and 2 lower quarks with a negative charge of 1 3).
Made-up. The atomic nucleus is the main component of the atom, located in the ** of the atom, accounting for about the mass of the atom, the density of the nucleus is extremely large, the nuclear density is about 10 14g cm3. The nucleus is composed of uncharged neutrons and positively charged protons (each of which consists of three quarks: red, blue, and green).
When there are an equal amount of electrons around it than the protons in it, it constitutes an atom. The nucleus is extremely small, for example, the atomic radius of uranium is 26634, and the proportion of the radius of the nucleus of hydrogen is 60250. But in this tiny nucleus, the mass of the atom is concentrated.
The nucleus also has a shell structure, called the magic number: it is the number of nucleons (the number of protons plus the number of neutrons) that can fill the model of the nuclear shell and improve the stability of the nucleus.
There are mesons in the nucleus that shuttle back and forth between protons and neutrons (transmitting strong nuclear force), neutrons will release -mesons become protons, and protons will release + mesons back into neutrons, and protons and neutrons in the nucleus will shuttle back and forth through mesons, and the transformation of each other is the mode of action of the strong nuclear force (see the figure below).
The number in the figure represents the indivisible minimum positive and negative electromagnetic information
Famous physicist John. Wheeler John Wheeler famously said, "It from bit."
After the development of quantum information research, this concept was sublimated to the point that everything is derived from qubits).
Note: Bits are bits.
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In 1911, Ernest Rutherford discovered the nucleus while validating Thompson's model of the Marubaran pudding.
The atomic nucleus is the main component of the atom, located in the ** of the atom, accounting for about the mass of the atom, the density of the nucleus is extremely large, the nuclear density is about 10 14g cm3. The nucleus of an atom consists of uncharged neutrons and positively charged protons (each of the two types of baryon is composed of three quarks: red, blue, and green). When there are an equal amount of electrons around it, it is an atom.
The nucleus is extremely small, for example, the atomic radius of uranium is 26634, and the proportion of the radius of the nucleus of hydrogen is 60250. But in this tiny nucleus, the mass of the atom is concentrated.
There are mesons in the nucleus that shuttle back and forth between protons and neutrons (transmitting strong nuclear force), neutrons will release -mesons become protons, and protons will release + mesons back into neutrons, and protons and neutrons in the nucleus will shuttle back and forth through mesons, and the transformation of each other is the mode of action of the strong nuclear force (see the figure below).
See image below: <>
The middle sign in the diagram above represents the smallest unit of positive and negative electromagnetic information that is indivisible, the qubit
Famous physicist John. Wheeler John Wheeler famously said, "It from bit."
After the development of quantum information research, this concept was sublimated to the point that everything originates from qubits).
Note: Bits are bits.
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The nucleus is the core part of the atom and is made up of two particles, protons and neutrons.
1. The discovery of the nucleus.
In 1912, British scientist Rutherford experimented with gold leaf bombardment by particles, and the vast majority of the particles were still moving in the original direction, a small number of particles were greatly deflected because they hit electrons, and some particles were deflected by more than 90 degrees, and some particles were deflected to close to 180 degrees because they hit the nucleus.
The experiment confirmed that the atom contains a small and massive positively charged center, which is where the nuclear model comes from.
2. Morphological exploration.
So far, 265 kinds of stable nuclei have been discovered, 60 kinds of natural radioactive nuclei, and 2400 kinds of nuclei have been synthesized, but on the nuclide diagram, there should be more than 8000 nuclides surrounded by neutron drop lines, proton drop lines and limits with a self-fission half-life of more than 1 s, which indicates that more than half of the nuclei have not yet been recognized.
Based on the current situation, it is estimated that some 600 new nuclides could be generated or identified, taking into account the possible generation and identification methods, and they are the target of costly searches by laboratories around the world.
Relative role and future development of the nucleus:
1. Relative effect.
The atomic radius is small, and the interproton coulomb repulsion is large, but the nucleus is very stable. So in addition to the Coulomb repulsion force between the protons in the nucleus, there is also a nuclear force. It can only work in short distances.
The nuclear force between nucleons, which is a much greater interaction than electromagnetism, exists between protons and protons, between protons and neutrons, and between neutrons and neutrons.
2. Future development.
Exploring the charge and mass limits of atomic nuclei is an important frontier of science. So far, the laboratory has synthesized superheavy elements No. 118 and before. The synthesis of heavier superheavy elements by heavy ion fusion reaction still faces many challenges, and it is necessary to closely combine theory and experiment to explore the properties and synthesis mechanism of superheavy atoms, so as to ascend to the superheavy stability island.
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