Subject: Chemistry
Book: General Chemistry
Transition metals occupy groups 3–12 of the periodic table and are characterized by partially filled d orbitals. Examples include iron (Fe), copper (Cu), and zinc (Zn). They often exhibit multiple oxidation states, form complex ions, and are known for catalytic properties and colored compounds. Transition metals play crucial roles in industrial processes (e.g., catalytic converters) and biological systems (e.g., iron in hemoglobin).
Which element is represented by the symbol 'Pb'?
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