(b) Fill in the blanks :
1. Lead is a_______metal.
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It is a metallic element with atomic number 82, with symbol Pb, atomic weight 207.19, specific gravity 11.35, melting point 621.32°F (327.4°C), and boiling point 3,191°F (1,755°C). Lead is in column IVA of the periodic table.
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soft, silvery white or grayish.
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