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Do Atoms Ever Touch? (video)
YouTube.com ^ | 8-5-2014 | Sixty Symbols

Posted on 08/05/2014 6:10:16 AM PDT by servo1969

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To: expat2

It all makes a lot more sense, at least to me, when you realize that the “electron cloud” configurations that we see (1s, 2s, 2p, etc) are identical to patterns produced by standing waves. Which shouldn’t be surprising, since, quantum mechanics is just an offshoot of standard wave mechanics.

The electrons can cross paths, collaborate, be “shared”, etc, because we are talking about how waves interact, and not really about how some tiny particles interact. The difference between particle-waves and say, ocean waves, is that when the particle-waves interact, they can influence the position of what is producing the wave. So, the center of the wave (what we would think of as the electron “particle”) can be moved by the interactions of the waves that “particle” is emitting.

This allows phenomena like feedback loops to develop, and all the complex interactions of particles, atoms, molecules can develop from there. The waves naturally tend towards harmonious, stable configurations to oscillate with a minimum of interference, and while attempting to reach those configurations, they move their “particles” along with them into the complex configurations that we know.


21 posted on 08/05/2014 7:35:47 AM PDT by Boogieman
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To: servo1969

“Parts” of them “touch” in forming bonds. The real problem though is that particles are composed of other particles, so that given various energy levels, how many of them actually touch each other?


22 posted on 08/05/2014 7:43:07 AM PDT by onedoug
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To: servo1969

“Touching” is a macroscopic notion that has little meaning in the sub-microscopic world. According to QM everything essentially “touches” everything else.


23 posted on 08/05/2014 8:00:32 AM PDT by SpaceBar
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To: Migraine

I see what you did there


24 posted on 08/05/2014 8:27:12 AM PDT by reed13k (For evil to triumph it is only necessary for good men to do nothings)
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To: Boogieman

Yes, thinking about an electrons in terms of a cloud of probability can be very helpful in many ways.


25 posted on 08/05/2014 9:14:05 AM PDT by expat2
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To: Migraine
I’ve learned not to trust atoms. They make up everything.

8>)

R2z
26 posted on 08/05/2014 9:26:23 AM PDT by Resettozero
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To: SpaceBar

“According to QM everything essentially “touches” everything else.”

Yes, exactly right. Particles are not localized phenomena. We can only point to the “center” of a particle to estimate its location. We can’t ever point to the outer edge of a particle and say where it ends.


27 posted on 08/05/2014 9:28:54 AM PDT by Boogieman
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To: expat2

Is it the Coulomb Barrier that prevents the nuclei from actually touching?

If so then it’s probably a good thing.

Don’t touch it, don’t talk about touching it, don’t write songs about touching it!


28 posted on 08/05/2014 9:39:05 AM PDT by infool7 (The ugly truth is just a big lie.)
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To: ecomcon

“How about forces “contact” as described by his definition, but masses do not, unless they fuse or some such.”

Yes, or to say it another way, bosons can occupy the same space in the same quantum state, but fermions cannot.


29 posted on 08/05/2014 9:39:17 AM PDT by Boogieman
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To: infool7

Initially, but once you get past that, there is still the Pauli Exclusion Principle.


30 posted on 08/05/2014 9:40:56 AM PDT by Boogieman
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To: infool7

Found the movie quote from Walk the line:

Jerry Lee Lewis: God gave us a great big apple, see, and He said don’t touch it. He didn’t say touch it once in a while; He didn’t say take a nibble when you’re hungry; He said don’t touch it! Don’t think about touchin’it, don’t sing about touchin’ it, don’t *think* about singin’ about touchin’ it!


31 posted on 08/05/2014 9:43:48 AM PDT by infool7 (The ugly truth is just a big lie.)
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To: infool7
Mostly -- it prevents them getting too close unless there is a lot of energy. A neutron can be attached to the proton relaatively easily, to form deuterium, which is stable.
The helium atom has two electrons, with two protons and two neutrons in its nucleus. (The strong force overcomes the coulomb force when the protons and neutrons are 'inside' the coulomb barrier.) That nucleus is an alpha particle if the 2 electrons are missing (He2+).
32 posted on 08/05/2014 10:06:48 AM PDT by expat2
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To: servo1969

Saved for later...


33 posted on 08/05/2014 12:32:34 PM PDT by PreciousLiberty
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To: cripplecreek

I think it’s the way you describe in metals. A mess of electrons swinning around everywhere.


34 posted on 08/05/2014 3:06:12 PM PDT by loungitude (The truth hurts.)
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To: Boogieman

My horse is well in check. I’ve long been amused at the adduced dark matter needed to make the expanding universe calculations work out.


35 posted on 08/05/2014 8:40:10 PM PDT by Migraine (Diversity is great -- until it happens to YOU.)
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