Respuesta :
Pb, if compared to Ca it is less reactive and it is a transition metal, and is highly stable alone.
Lead ( Pb ) is less reactive and it is a transition metal, and is highly stable alone.
What are transition metals?
"Transition metals are placed between s−block and p−block elements in periodic table. They are termed as d-block elements. These metals are unstable and exhibit transitional behavior between s block and p block elements, hence the name transition metals."
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