Question

An element ‘M’ with electronic configuration (2, 8, 2) combines <br /><br />separately with 2<br /><br />3 4 (NO ) ,(SO ) − − and 3<br /><br />4<br /><br />(PO ) −<br /><br /> radicals. Write the <br /><br />formula of the three compounds so formed. To which group and <br /><br />period of the Modern Periodic Table does the elements ‘M’ <br /><br />belong? Will ‘M’ form covalent or ionic compounds? Give reason <br />

Answer 1

M is Mg
MgBr2, Mg(NO)Br, Mg(Br)PO3