# Answer to Question #36561 in Quantum Mechanics for stereo-total-music

Question #36561

Hello,

I've got a trivial question about electron's kinetic energy in atom. It's kinetic energy is

Ek=(p^2)/2m

, where "2m" is a constant (non-relativic visualization). The uncentainer position of electron (e.g. in larger molecule), the certainer momentum of it - certainer, but not bigger or smaller. So what is the math formula for smaller kinetic energy (behind covalent bond, for exmaple), is it:

Ek=(⌂p^2)/2m

Or are the limits simultaneously bigger, smaller with change of uncertainty?

Thank you.

I've got a trivial question about electron's kinetic energy in atom. It's kinetic energy is

Ek=(p^2)/2m

, where "2m" is a constant (non-relativic visualization). The uncentainer position of electron (e.g. in larger molecule), the certainer momentum of it - certainer, but not bigger or smaller. So what is the math formula for smaller kinetic energy (behind covalent bond, for exmaple), is it:

Ek=(⌂p^2)/2m

Or are the limits simultaneously bigger, smaller with change of uncertainty?

Thank you.

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