Linked Questions

6
votes
6answers
3k views

Prove that an electron in a hydrogen atom doesn't emit radiation [duplicate]

According to electrodynamics, accelerating charged particles emit electromagnetic radiation. I'm asking myself if the electron in an hydrogen atom emits such radiation. In How can one describe ...
5
votes
1answer
19k views

What prevents an atom's electrons from “collapsing” onto its protons? [duplicate]

Forgive me if the answer to this is obvious. I have no formal physics training, and I remember that when I asked my physics teacher this, she just frowned and said "Good question." An electron is ...
2
votes
1answer
9k views

Why isn't Hydrogen's electron pulled into the nucleus? [duplicate]

Possible Duplicate: Why do electrons occupy the space around nuclei, and not collide with them? Why don’t electrons crash into the nuclei they “orbit”? From what I learned in chemistry, the ...
5
votes
7answers
3k views

Why can't electrons fall into the nucleus? [duplicate]

I read a book on pop sci book on quantum mechanics and the author said that electrons do not fall into the nucleus due to quantum mechanics- which principles suggest this (I think it was Heisenberg's ...
0
votes
1answer
1k views

does matter radiate energy? [duplicate]

Since we know that all accelerated charges radiate energy and we also know that all matter is made up of protons and electrons which are all the while doing accelerated motion.So from this can i ...
1
vote
0answers
2k views

How does quantum mechanics explain stability of electron orbitals? [duplicate]

According to classical physics, an electron orbiting the nucleus would emit electromagnetic radiation. Losing energy in that way, it would spiral into the nucleus and the atom would collapse. Quantum ...
2
votes
2answers
520 views

Why do electrons revolve around the nucleus? [duplicate]

Why do electrons revolve around the atom's nucleus? Where does it get the energy for the revolution? Do the electrons stop revolving at absolute zero temperatures?
0
votes
2answers
987 views

Why does Bohr's stationary orbits not radiate energy? [duplicate]

I am presently in high school trying to understand the Bohr's theory. I somewhat familiar with Maxwell's laws but very soon I'll learn about them thoroughly. So please could anyone explain with ...
-1
votes
2answers
970 views

Why don't electrons moving around in a orbit produce electromagnetic waves in their natural state? [duplicate]

If moving electrons produce changing electric field, and if changing electric field produces magnetic field, every electron must produce an electromagnetic wave. This means an atom in its natural ...
4
votes
2answers
154 views

Why does electron $(-)$ keep rotating round the nucleus $(+)$ even they are attracted? [duplicate]

I'm a secondary school pupil, my physics textbook discussed atomic physics without deep details because we are young boys, to explain electron motion we first learn about rotational motion. The main ...
1
vote
1answer
346 views

Why don’t electrons fall into the nucleus of an atom? [duplicate]

The nuclei of atoms are composed of protons and neutrons. The proton has a positive charge, and the neutron a neutral charge. Shells of electrons outside the nucleus in the atom orbit around the ...
0
votes
1answer
923 views

“Why electrons don't fall into nucleus”simple explanation needed [duplicate]

Am studying in 8th grade and I studied electrostatic force which says opposite charge attracts and same charges repel But in an atom electron is just situated above the proton and it doesn't attracts....
1
vote
2answers
232 views

classical understanding of an atom [duplicate]

A problem in Bohr's day was understanding why an orbiting electron does not continuously radiate an EM field. An orbiting electron is a moving charge and according to Maxwell, this should generate an ...
-1
votes
1answer
180 views

Electron spiraling into nucleus [duplicate]

Any idea why it is said that, if electron is a particle it'll spiral into the nucleus and disintegrate in 10^-14 seconds? https://youtu.be/2wF_CVuWyEg?t=123 to https://youtu.be/2wF_CVuWyEg?t=142
1
vote
2answers
279 views

How does a electron revolve in Rutherford's model? [duplicate]

How can an electron revolve in a circular orbit because circular motion is an accelerated motion and acc. charged particle is a source of E.M. Wave. So,it should radiate out energy and hence would ...
-1
votes
2answers
351 views

Why doesn't electron collide with nucleus? [duplicate]

We know that electrons go round the nucleus. But in my textbook, it is written that Rutherford's model was incomplete as the electrons would collide with the nucleus because of Maxwell's law. But in ...
0
votes
1answer
390 views

Bohr's atomic model [duplicate]

Why don't the electrons revolving around the nucleus in the Bohr's atomic model lose energy? I mean don't they accelerate because of which they should emit radiations. I don't get this concept. can ...
1
vote
3answers
108 views

Why not free electrons in atom doesn't radiates em waves\photons? [duplicate]

Why not free electrons in atom doesn't radiates em waves\photons, although they move with acceleration? Like 1s electron of Titan, it doesn't emits em waves, yes? Why?
1
vote
1answer
110 views

Why don't we consider the electromagnetic field in the equations of Bohr's theory of atoms? [duplicate]

hi,i know these, my mean that the magnitude magnetic field B formule that i find here my question is that we consider Coulomb force in Bohr's theory but don't consider the electromagnetic field? An ...
0
votes
3answers
205 views

Electrons in the Rutherford model [duplicate]

I was reading about the Rutherford atomic model which said that electrons revolve around the nucleus the way the Earth and other planets revolve around the sun. This model was,however,shunned as it ...
1
vote
0answers
159 views

Why don't atoms constantly emit light? [duplicate]

We know that accelerating charged particles emit electromagnetic radiation. We also know that electrons around nucleus have an angular momentum which means that electrons are revolving around the ...
1
vote
2answers
92 views

Electrons fly on certain orbits around nucleus. why do not they radiate waves and crash to the nucleus? [duplicate]

How to fill the gap between classical physics and quantum physics?
0
votes
1answer
62 views

Electron's eternal “orbit” about the nucleus [duplicate]

My 8th grade student asks me: "Why don't electrons just fall into the nucleus?" I don't want to lie and tell them it's "just like the Moon not falling onto Earth, because of, you know, acceleration". ...
1
vote
0answers
88 views

Why don’t electrons radiate energy when in circular orbits? [duplicate]

Wikipedia states that The electrons can only orbit stably, without radiating, in certain orbits (called by Bohr the "stationary orbits") at a certain discrete set of distances from the nucleus. ...
3
votes
0answers
86 views

Why don't electrons in atoms radiate away their energy? [duplicate]

I am aware this question has been asked before, but I am looking for a more technical answer than those given to the other questions. I am aware the question in the title is a problem in classical ...
0
votes
0answers
73 views

motion of electrons [duplicate]

Do electrons move randomly, with no preference of directions? And why electrons don't fall into the nucleus? About this question, I read the article on Chemistry wiki, which says that when electron ...
3
votes
1answer
64 views

Why atoms do not radiate energy? [duplicate]

In atoms electron moves in a circular motion with constant velocity but in circular motion acceleration is produced when we change direction so we cant get constant velocity. So why electron do not ...
2
votes
0answers
55 views

How does an electron manage to constantly revolve around the nucleus of an atom forever? [duplicate]

When an electron revolves around the nucleus of an atom is it using any energy in doing so. If so, where does this energy come from and how does it be a constant source (the electron revolves forever)...
0
votes
1answer
40 views

Question about the orbits of electrons [duplicate]

A friend recently asked me the question, "If electrons have a negative charge and the nuclei of atoms have a positive charge, why don't electrons simply collapse into the nucleus and sit on it?". I ...

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