3D - 2

How many 4d electrons does cadium have? And How many valance electrons in Boron?

I'm thinking 10 in cadium and 5 in Boron, but not very comfortable with my answer... Please help.... 2 parts Cadium options 19,10,2,0 Boron options: 2,3,4,5

Public Comments

1. cadmium has 48 electrons because of the atomic number.