Chlorine atom, in its third excited state, reacts with fluorine to form a compound X. The formula and shape of X are

7Cl=1s2,2s2,2p6,3s2,3px2,3py2,3pz1Cl=1s2,2s2,2p6,3s1,3px1,3py1,3pz1,3d1,3d13d1                                             (3rd excited state)Chlorine atom, in its third excited state, reacts with fluorine to form ClF7. Its shape is pentagonal bipyramidal.