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Why is it not that electrons bind together by the nuclear force and reside inside it, and protons move along around it?
Quote from: thedocWhy is it not that electrons bind together by the nuclear force and reside inside it, and protons move along around it?Because the nucleus has much more mass than electrons do. Objects with greater mass orbit the center of mass of the system further out than other objects of less mass. If the mass of one object is significantly greater than the other then the object then that object will remain almost at rest close to one point. This happens for the same reasons that the planets orbit the Sun which remains at rest at the center of our solar system.
so the electron does circling the proton in a hydrogen atom? is the electron orbital 2 d or 3 d?Thanks! Good morning!
so the electron does circling the proton in a hydrogen atom?
what's difference between circle and orbit?
There is no "why" in physics.
Quote from: alancalverdThere is no "why" in physics. Nice! 
Though some scientists believe that the descriptive level of science is all that there is to know, that is, they believe that scientistsshould only ask ‘what’ questions, I believe that the explanatory level that follows the descriptive level is the actual goal of science — the answers to the ‘why’ questions.
I had a series of discussions with an old, retired electron, sometimes ago, and he used to say that he always see a proton orbiting round him, when he worked in the hydrogen-atom firm. --lightarrow
Quote from: lightarrow on 06/06/2015 13:34:19I had a series of discussions with an old, retired electron, sometimes ago, and he used to say that he always see a proton orbiting round him, when he worked in the hydrogen-atom firm. --lightarrowwhich orbital was he in charge?
The similarity of the effective potential ‘seen’ by the outer electron to the hydrogen potential is a defining characteristic of Rydberg states and explains why the electron wavefunctions approximate to classical orbits in the limit of the correspondence principle. In other words, the electron's orbit resembles the orbit of planets inside a solar system, much like the obsolete but visually useful Bohr and Rutherford models of the atom used to show.
Google "f orbital shapes" to see just how wrong the "planetary orbit" model is.
In the old days you had Electrons inside the nucleus but QM does not allow it except in Neutron stars
what's difference between circle and orbit?is hydrogen atom's electron orbital 2 d or 3 d?what's the mechanism?Thanks!
What do you mean by "the old days"?
Quote from: Pete What do you mean by "the old days"?Wasn't there a time when the atom was thought (by some?) to be a lump of positive matter with negative inclusions, like currents in a pudding?
Wasn't the electron a bit of a family thing with the Thompsons? If I remember rightly JJ identified the electron as a particle, and his son discovered its wave nature.
the neutrino is the amount of energy...
energy for the electron to reach a speed of 0.9186C as it reaches the proton radius
It fails to provide us with an understanding of gravity and dark energy.
Bohr produced a physical model of the hydrogen atom which involved simple algebraic equations. QM defined the hydrogen atom using very complex math.
Is the universe a simple place or a more complex place? If we add the Einsteinian energy to the Bohr model we find that the neutrino is the amount of energy for the electron to reach a speed of 0.9186C as it reaches the proton radius.
This can only happen if we compress the hydrogen atom to the neutron.
QM may be a mathematical solution but does it really tell us how things work?
It fails to provide us with an understanding of gravity and dark energy. Therefore it is only a particular theory which is useful in describing the workings of particles and sub-particles as we bash them up.
But an electron is not a point charge, ...
The electron has no known substructure. and it is assumed to be a point particle with a point charge and no spatial extent.
The quarks, leptons and bosons of the Standard Model are point-like particles. ...Let’s start with the easiest point-like particle we know, the electron... To begin with, since it has zero size, you can never actually see the electron itself....
In the first instance, the electron should not be treated as a particle but as a wave that is orbiting the nucleus. The electron does not spiral into the nucleus because it is a wave.One experiment that I have performed on numerous occasions is observing standing waves on a string. Attach a one metre string to a mass and feed this over a pulley attached to a bench so the mass dangles over the bench. The other end of the string is attached to an oscillator which is connected to a signal generator. The string is now horizontal and quite taut. The frequency is varied till the string vibrates in its fundamental mode (the simplest standing wave). This could refer to an electron in the ground state. Now if the frequency is increased then the standing wave disappears and eventually a new standing wave is formed at a particular frequency called the second harmonic. This can represent the electron in the first excited state, above the ground state. This experiment is beautiful because now the students can be informed that the electron cannot exist between the energy levels, as no standing wave formed. Also, the exact frequency was required to move from the first harmonic to the second, I.e. the need for the correct photon energy between energy levels.
In the first instance, the electron should not be treated as a particle but as a wave that is orbiting the nucleus.