An element X (2,8,2) combines separately with (SO4)2- and (PO4)3- radicals. The chemical formulae of the compounds are
A. X2SO4 : X3(PO4)2
B. XSO4 : X3(PO4)
C. X(SO4)2 : X2(PO4)3
D. XSO4 : X3(PO4)3
Answer:B
An element X (2,8,2) combines separately with (SO4)2- and (PO4)3- radicals. The chemical formulae of the compounds are
A. X2SO4 : X3(PO4)2 B. XSO4 : X3(PO4) C. X(SO4)2 : X2(PO4)3 D. XSO4 : X3(PO4)3