No gravity at center of earth= no pressure?

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Gravity at the center of the Earth is zero due to the cancellation of gravitational forces from surrounding mass, but this does not mean there is no pressure. The immense weight of the Earth's layers above creates significant pressure at the center, despite the lack of gravitational pull. As one moves away from the center, gravitational force increases, contributing to the pressure felt. The discussion clarifies that while gravity is absent at the center, the surrounding mass still exerts pressure, similar to how an object is crushed under weight despite having no net force acting on it. Understanding this concept is crucial for grasping the relationship between gravity and pressure within celestial bodies.
  • #181
Studiot said:
No I do not mean the interatomic distance ( distance between nuclei).

http://winter.group.shef.ac.uk/orbitron/

Please these orbital exist side by side in space, not in shells like onions.

The boltzman distribution curve gives an energy distribution, not a spatial one.

Electrons occupy such interesting orbitals! So are you saying that the electrons in the 2p and 6p orbitals are equidistant from the nucleus?
 
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  • #182
It varies, but all the dumbell types (p, d) have a component right up to the nucleus where.

An interesting question is how they all co-exist in an atom with a lot of electons!
 
  • #183
Easy. Because they are wavelike and have no choice!
 
  • #184
Because they are wavelike and have no choice!

Yes, true but still interesting.
:smile:
 
  • #185
Studiot said:
Yes, true but still interesting.
:smile:

Then it depends on what exactly the electrons are doing. Do they occupy the entire orbital all at once, or are they found as a pointlike object within them?
 
  • #186
Drakkith said:
Then it depends on what exactly the electrons are doing. Do they occupy the entire orbital all at once, or are they found as a pointlike object within them?

The orbital is nothing but a probability cloud. When you measure the position of the electron, it will be found within that cloud - with no indication as to what it was doing before the moment of measurement and no indication as to what it might do after the moment of measurement. The shape of the cloud simply defines the probability of where it will be found at that moment.

So, the latter.
 
  • #188
This thread went off the rails around post 168, with discussion about neutrons. It should be split into a separate thread.
 

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