Name a non metal which has three electrons in its outer most shell . Share with your friends Share 0 Ajs Thevel answered this There is none.Boron is a metalloid and has 3 electrons in the outermost shell. 1 View Full Answer Akshit Gujrati answered this The non metal is Boron. If you look at the periodic table given in your NCERT textbook, you can even find many more. 0 Akshit Gujrati answered this It's a non metal my dear friend......It's the only non metal of it's group, i.e, Group 13. 0