An element A with atomic number 19 combines separately with NO3–and (SO4)2–,(PO4)3–radicals:
A. Give the electronic configuration of element A.
B. Write the formulae of the three compounds so formed.
C. To which group of the periodic table does the element ‘R’ belong?
D. Does it form covalent or ionic compound? Why?
Answer:A
An element A with atomic number 19 combines separately with NO3–and (SO4)2–,(PO4)3–radicals:
A. Give the electronic configuration of element A. B. Write the formulae of the three compounds so formed. C. To which group of the periodic table does the element ‘R’ belong? D. Does it form covalent or ionic compound? Why?