Remove unwanted characters from your cells. 1  Expand the Remove unwanted characters section by clicking on the arrows next to the second tab on the Cell Cleaner pane in Excel.2  To remove characters select the range with the cells that contain values you want to delete. 3  Choose the option that suits your task. Expand the Remove unwanted characters section by clicking on the arrows next to the second tab on the Cell Cleaner pane in Excel. 2  To remove characters select the range with the cells that contain values you want to delete. 3  Choose the option that suits your task. 4  You can select one of these five options:
The Heisenberg uncertainty principle states that it's impossible to simultaneously know the position and the momentum of a particle. In other words, if you know exactly where a particle is, you won't know how fast it's going. If you know how fast it's going, you won't be able to tell where it is.
The aufbau principle is a method for determining the electron  configuration of an element. It shows how the various orbitals must  be filled in correct sequence to show how â¦ ionization may occur. For  selenium, the correct aufbau sequence is [AR] 4s2 3d10 4p4.