Question

An element 'M' with electronic configuration (2,8,2) combines separately with (NO3) negative , (SO4) 2 negative and (PO4) 3 negative radicals . Write the formula of the three compounds so formed . To which group and period of the Modern periodic table does the element 'M' belong ? Will 'M' form covalent or ionic compounds ? Give reason to justify your answer .

Answer 1

2nd group and 3rd period belong

M is mg