Electron cloud/ empty space?

So keeping mind that the electron cloud being the probability that an electron will be there that also means that there is a probability an electron i

So keeping mind that the electron cloud being the probability that an electron will be there that also means that there is a probability an electron is not there in that case what is that space being occupied by?

or:So keeping mind that the electron cloud being the probability that an electron will be there that also means that there is a probability an electron is not there in that case what is that space being occupied by?

Tags:mind,probability,