Calculate the minimum uncertainty in the momentum of a 4He atom confined to 0.40 nm.

Electron probability density is a measure of the likelihood of finding an electron at a specific location in space. It's also known as electron density or electron cloud.  The probability of finding an electron at a given point is proportional to the square of the wavefunction at that point. The probability distribution around the nucleus is called electron probability distribution.  The electron density function, r (Greek letter "rho"), is equal to Y2. This ensures that r (rho) will always have a positive value, and this value expresses the relative probability of finding an electron at a... Show more

Electron probability density is a measure of the likelihood of finding an electron at a specific location in space. It's also known as electron density or electron cloud. 

The probability of finding an electron at a given point is proportional to the square of the wavefunction at that point. The probability distribution around the nucleus is called electron probability distribution. 
The electron density function, r (Greek letter "rho"), is equal to Y2. This ensures that r (rho) will always have a positive value, and this value expresses the relative probability of finding an electron at a particular location. 
The probability density is given by taking the square of the absolute value of the wave function. 
In electron probability density plots, darker areas represent where the electron is most likely to be. Lighter areas represent a lower likelihood of the electron appearing there. 

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