Question

Write electronic configuration, oxidation state and magnetic properties of lanthanides.

Answer 1

          The first series contain the fourteen elements cerium to lutecium (elements 58 through 71) and are called lanthanides because they appear after lanthanum. The second series (thorium to lawrencium, elements 90 through 103) appears after actinium and are called actinides.

(n-2) f 0,2-14, (n-1) d 0,1,2,ns2

                                                                            -Hope This Helps-