Question

Element x y z have atomic number 6 9 and 12 respectively which one forms an anion and which one forms are cation and which one has four electrons in its valence shell

Answer 1

Explanation:

at no 9 element is fluorine so it gains one electron and forms anion

at 4 carbon shares electrons for stanility

at no 12 Mg magnesium lose two electrons and form cation

Answer 2

Answer:

I think it is Z

Explanation:

wake me the brainiest