Question

An element x (2,8,2) combines separately with no3 and (so4)2 -, (po4)3. Radicals. Write the formula of the three compounds so formed. To which group of the periodic table does the element 'x' belong

Answer 1

Answer:

2nd group. It is magnesium

Explanation:

X(NO3)2

XSO4

X3(pO4)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