Which of the following is not a transition metal

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Answer 1

CONCEPT:

Transition Metals

Transition metals are elements found in the d-block of the periodic table, which includes groups 3 through 12.
They are characterized by having an incomplete d sub-shell in either their elemental form or common oxidation states.

EXPLANATION:

In the given options:
- Silver (Ag) - Silver is a transition metal, found in group 11 of the periodic table.
- Lead (Pb) - Lead is not a transition metal. It is a post-transition metal and is found in group 14 of the periodic table.
- Tungsten (W) - Tungsten is a transition metal, found in group 6 of the periodic table.
- Manganese (Mn) - Manganese is a transition metal, found in group 7 of the periodic table.

Therefore, the correct answer is (Lead - Pb).

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