The element 119 has not been discovered. What would be IUPAC name and symbol for this element? On the basis of the periodic table, predict the electronic configuration of this element and also the formula of its most stable chloride and oxide.
The IUPAC name and symbol for this element is Ununennium and uue.
The electronic configuration of this element is: 2, 8, 18, 32, 32, 18, 8, 1.
The formula of its most stable chloride and oxid is $$MCl$$ and $$M_2O$$ respectively.