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r_s is the radius of a sphere volume equals ...

what is volume per conduction electron?

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- #1

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r_s is the radius of a sphere volume equals ...

what is volume per conduction electron?

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what is this volume like?

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Volume is like another other volume, it's a 3D region of space. In this case the region is taken to be sphere of radius r_n. And within that volume you have N number of conduction electrons.what is this volume like?

Divide that and you get a density of conduction electrons per volume or vice-versa.

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divide what?and by what?

density is a mass divided by volume

there is no such thing here

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sophiecentaur

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When we talk of Population Density, we don't mean the Mass, either. It's a fairly common English / Technical use of the term density.