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Why is high pressure required to cause atomic nuclei to crash into one another in stars?
Wiki User
∙ 12y ago
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.
Wiki User
∙ 12y ago
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Why is extremely high pressure required to cause atomic nuclei to crash into one another stars?
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.
What determines the amount of energy an electrons has?
distance from the atomic nuclei
Alpha particles are repelled by atomic nuclei because?
Alpha particles are repelled by atomic nuclei because alpha particles have a positive charge, and so do atomic nuclei. The positive charge on the surface of a nucleus will repel another positive charge, like an alpha particle, because of the law of electrostatics. That's the simple answer. And it is correct. But know this: Alpha particles were used in the early investigations of atomic structure and atomic interactions. The alpha particles were used to bombard atomic nuclei, and there are times when an alpha particle will be absorbed by an atomic nucleus. Somehow the laws of electrostatics took the day off, and the fact that absorption took place opens the door to discovery and discussion of other atomic forces. Word up.
Why is extremely high pressure required to cause atomic nuclei to crash into one another?
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.
Where did the atomic bomb get its power?
From the excess binding energy of the protons and neutrons in the atomic nuclei of certain isotopes.
Is atomic nuclei required in a chemical reaction?
No, atomic nuclei is not required for a chemical reaction.
Which of the following is not required in a chemical reaction?
A,atomic nuclei
Why is extremely high pressure required to cause atomic nuclei to crash into one another stars?
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.
Why is extremely high pressure required to cause atomic nuclei to crash into on another in stars?
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.
What determines the amount of energy an electrons has?
distance from the atomic nuclei
What is nuclei known as?
When the atomic number of one nucleus is the same with the mass number of another nucleus and the mass number the same with the atomic number of the second nucleus, then these two nuclei are called mirror.
What is known as mirror nuclei?
When the atomic number of one nucleus is the same with the mass number of another nucleus and the mass number the same with the atomic number of the second nucleus, then these two nuclei are called mirror.
What the combining of atomic nuclei is?
The combination of two light atomic nuclei to form a heavier nucleus is called fusion.
What form of energy that holds atomic nuclei together called?
The strong force holds atomic nuclei together.
How has basic knowledge about atomic nuclei been used in technology?
Knowledge about atomic nuclei has been used to produce energy.
Which of these is a particle in atomic nuclei?
Neutron
Are atomic nuclei very dense?
No .
