An element M has an atomic mass 19 and atomic number 9, its ions is represented by ______ .
Dear Student,
Element with atomic number 9 is Fluorine i.e. F.
It has 7 electrons in its outermost shell and so readily accepts one electron.
Hence, its ion is represented as F-.
Element with atomic number 9 is Fluorine i.e. F.
It has 7 electrons in its outermost shell and so readily accepts one electron.
Hence, its ion is represented as F-.