Sagot :
Answer:Lead is a chemical element with symbol Pb and atomic number 82. Classified as a post-transition metal, Lead is a solid at room temperature.
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7.1Element Forms.
CID 73212
Name lead(2+)
Formula Pb+2
SMILES [Pb+2]
Molecular Weight 207.2
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Answer:
4.2.
Lead exists in three oxidation states: Pb(0), the metal; Pb(II); and Pb(IV). In the environment, lead primarily exists as Pb(II). Pb(IV) is only formed under extremely oxidizing conditions and inorganic Pb(IV) compounds are not found under ordinary environmental conditions.
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