Two types of subshells are partially filled in
(A) Cu
(B) Cr
(C) Fe
(D) Zn

Which of the following is a representative element? (A) Zn (B) Sr (C) Cu (D) Fe

Give the characteristic coordination number of each of the following central metal ions . (a) Cu(I) Cu(II) (c ) CO(III) lt brgt (d) AI(III) lt brgt (e) Zn(II) (f) Fe(II) (g) Fe(III) (h) Ag(I) .