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  2. Lead dioxide - Wikipedia

    en.wikipedia.org/wiki/Lead_dioxide

    Whereas the beta form had been identified in 1845, [3] α-PbO 2 was first identified in 1946 and found as a naturally occurring mineral 1988. [ 4 ] The alpha form has orthorhombic symmetry, space group Pbcn (No. 60), Pearson symbol oP 12, lattice constants a = 0.497 nm, b = 0.596 nm, c = 0.544 nm, Z = 4 (four formula units per unit cell). [ 4 ]

  3. Lead oxide - Wikipedia

    en.wikipedia.org/wiki/Lead_oxide

    Pb 12 O 19, monoclinic, dark-brown or black crystals The so-called black lead oxide , which is a mixture of PbO and fine-powdered Pb metal and used in the production of lead–acid batteries . Index of chemical compounds with the same name

  4. Lead compounds - Wikipedia

    en.wikipedia.org/wiki/Lead_compounds

    Tarnished lead (left) and shiny lead (right) Compounds of lead exist with lead in two main oxidation states: +2 and +4. The former is more common. Inorganic lead(IV) compounds are typically strong oxidants or exist only in highly acidic solutions.

  5. Lead(II) oxide - Wikipedia

    en.wikipedia.org/wiki/Lead(II)_oxide

    Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula Pb O.PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and massicot having an orthorhombic crystal structure.

  6. Lead - Wikipedia

    en.wikipedia.org/wiki/Lead

    [83] [84] [85] The same applies for lead(I), which can be found in such radical species. [86] Numerous mixed lead(II,IV) oxides are known. When PbO 2 is heated in air, it becomes Pb 12 O 19 at 293 °C, Pb 12 O 17 at 351 °C, Pb 3 O 4 at 374 °C, and finally PbO at 605 °C.

  7. Lead (II,IV) oxide - Wikipedia

    en.wikipedia.org/wiki/Lead(II,IV)_oxide

    Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula Pb 3 O 4.A bright red or orange solid, it is used as pigment, in the manufacture of batteries, and rustproof primer paints.

  8. IUPAC nomenclature of inorganic chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    The names "caffeine" and "3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione" both signify the same chemical compound. The systematic name encodes the structure and composition of the caffeine molecule in some detail, and provides an unambiguous reference to this compound, whereas the name "caffeine" simply names it.

  9. Chemical nomenclature - Wikipedia

    en.wikipedia.org/wiki/Chemical_nomenclature

    The main purpose of chemical nomenclature is to disambiguate the spoken or written names of chemical compounds: each name should refer to one compound. Secondarily, each compound should have only one name, although in some cases some alternative names are accepted. Preferably, the name should also represent the structure or chemistry of a compound.

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