Question

Elements x,y,z have electronic configuration 6,9,12 respectively which one 1) forms cation 2) forms anion
3) has 4 electrons in outer most shell

Answer 1

Element x has 4 electrons in outermost shell.

Element y forms anions.

Element z forms cations.

HOPE IT HELPS..

Answer 2

Element x has 4 electrons in outermost shell.

Element y forms anions.  Because y element gains the electrons.

Element z forms cations. Beacuse z element loses thier electron.

Hope my answer will help you.