The transition metals are the elements in groups

Options

A. `1B`and `3B` through `8B`
B. `2B`and `3B through 8B`
C. `1B`and `4Bthrough 8B`
D. `2B`and `4Bthrough 8B`

Answer

A

Explanation

Transition metals ate the elements which have incompletely filled `(n - 1)d` subshells, or which readily producecations with imcompletely referred to as the `d`-block transition elements. The group `2B` elements `(Zn, Cd, Hg,`and `Cn`) are neither representative elements not transition metals. There is no special name for this group of metals.