The default electron flow arrow is the Electron flow double arrow. The other types of arrows can be selected from a sub-menu, after clicking on the black triangle in the lower-right corner of the button.
| Electron flow arrow symbol | Electron flow arrow type | 
|---|---|
|  | Electron flow single arrow | 
|  | Electron flow double arrow | 
Select the preferred type of electron flow arrow button.
Drag the electron flow arrow from the electrons to the target atom or bond. A feedback of the arrow appears.
 
{primary} Drawing electron flow arrows starting from lone pairs is only possible when the lone pair visibility is turned on in View settings.