3.6. To Add Unbound Electrons to Atoms

To add unbound electrons to an atom, you can activate one of the following tools:

The tools can be used to add explicit electrons to an atom by clicking on the atom while the appropriate tool is active.

To display the electron or the electron pair at a position different from the default one, drag the charge to the wanted position while pressing the mouse button. Pressing the Shift key and/or the Control key change the behavior while dragging.