Question

An element X ( 2,8,2 ) combines separately with NO3- ,SO4 2- and (po4)3- radicals. write the formulae of the three compounds so formed. to which group of periodic table does the element X belong.? will it form a covalent or ionic compound? why?

Answer 1

magnesium is element which is ionic in nature. period 3 and group 2

Answer 2

Answer:

Explanation:

Mg2+ and

PO4^3- . The charge of Mg which is 2 will interchange with PO4 's charge which is 3(because in compound formation,the negative sign is always ignored) to yield the compound Mg3(PO4)2 .Take care