The electronic configurations of X and Y are 1s2 2s2 2p6 3s1 and 1s2 2s2 2p4 respectively.Then:
(a) Which atom can form an anion?Why?
(b)Which atom can form the cation?Why?
(c)The X,Y elements belong to which blocks of periodic table?
(d)Write the formula of the compound formed due to chemical bond between X and Y atoms.