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Extremely high pressure is required to initiate fusion in the stars. This pressure overcomes the normal repulsion between protons, allowing protons of hydrogen to get close enough for the strong atomic force to take over and change the force to an attractive force, forming helium.Not stated, but answered for completeness sake... Extremely high temperature is also required in order to strip the hydrogen nuclei of their electrons, forming an ionized plasma, in order to get past the additional repulsion that the electron cloud would represent.
Extremely high pressure is required to initiate fusion in the stars. This pressure overcomes the normal repulsion between protons, allowing protons of hydrogen to get close enough for the strong atomic force to take over and change the force to an attractive force, forming helium.Not stated, but answered for completeness sake... Extremely high temperature is also required in order to strip the hydrogen nuclei of their electrons, forming an ionized plasma, in order to get past the additional repulsion that the electron cloud would represent.
The nuclei of atoms include one or more protons, which are strongly charged. It is necessary to use heat or kinetic energy, or some other energy, to overcome the charge.
The atomic model cannot be extremely accurate.
No, atomic nuclei is not required for a chemical reaction.
Extremely high pressure is required for fusion to occur because the electromagnetic force would otherwise cause the protons in the two nuclei to repel each other, and you need to overcome that repulsive force, and allow the stronger1 binding energy to take over.Not asked, but answered for completeness; you also need extremely high temperature because you need to strip the electron clouds away, i.e. to fully ionize the nuclei, to eliminate interference from the electrons as well.-------------------------------------------------------------------------------------------------1 The binding energy is stronger, but only at closer distances. Outside the radius of the nucleus, the electromagnetic force is more powerful, hence the need for pressure. Once inside the radius of the nucleus, at least for elements smaller than lead, the binding energy is more powerful.
The metal cations easily slide past one another.
The metal cautions easily slide past one another.
A very unlikely type of decay.Plutonium is found as isotopes with atomic weights in the range 238 to 244. Your equation seems to involve plutonium with another 39-78 neutrons! Making it an extremely unlikely (if not impossible) isotope.A very unlikely type of decay.Plutonium is found as isotopes with atomic weights in the range 238 to 244. Your equation seems to involve plutonium with another 39-78 neutrons! Making it an extremely unlikely (if not impossible) isotope.A very unlikely type of decay.Plutonium is found as isotopes with atomic weights in the range 238 to 244. Your equation seems to involve plutonium with another 39-78 neutrons! Making it an extremely unlikely (if not impossible) isotope.A very unlikely type of decay.Plutonium is found as isotopes with atomic weights in the range 238 to 244. Your equation seems to involve plutonium with another 39-78 neutrons! Making it an extremely unlikely (if not impossible) isotope.
A,atomic nuclei
Isotopes - that same element with a different atomic weight.
Atomic number is the equivalent of the number of protons in an atomic nucleus.