Can someone please explain what is transition element type in

transition element

Solved Transition Elements and Coordination Compounds I.

Can anyone help me create a new sheet with this formula? I need all cells to reflect the closest above matching cell (details inside) : r/sheets

Why are d and f block elements called transition elements?

Transition Element - an overview

Can someone explain a picture from Science AAAS Journal ? : r/labrats

Transition metal - Wikipedia

Difference Between Representative and Transition Elements

Factors that Increase or Decrease Atomic and Ionic Radii of Transition Elements

Why transition elements are called transition elements? - Quora

How to determine if an element is a transition or main group element - Quora