Talk:Lead

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This pre-print is undergoing public peer review

First submitted: 22 November 2017

Last updated: 17 December 2017

Reviewer comments
Last reviewed version


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Text / media from this work is used in the following Wikipedia article: Lead

Licensing: Open Access logo PLoS white.svg Cc.logo.circle.svg This is an open access article distributed under the Creative Commons Attribution ShareAlike License, which permits unrestricted use, distribution, and reproduction, provided the original author and source are credited.


This is the public peer review for the article: Lead


This is an unpublished pre-print. It is undergoing peer review.

Author: Mikhail Boldyrev, et al.
Department of Optimal Control, Faculty of Computational Mathematics and Cybernetics, Moscow State University, Moscow, Russia
Author correspondence: r8rgtrs@gmail.com


Pre-publication peer review



Editorial comments[edit]

Comments by Marshall Sumter
These comments refer to this previous version of the article

  1. Figure 8 lacks a credit. --Marshallsumter (discusscontribs) 00:57, 7 December 2017 (UTC)
  2. In the section Atomic: "Relativistic effects|, which become significant in heavier atoms" to "Relativistic effects, which become significant in heavier atoms"
  3. In the section Atomic: "Rather than having a diamond cubic structure, lead forms metallic bonds in which only the p-electrons are delocalized and shared between the Pb2+ ions." is confusing. Do you mean lead can behave like gallium per "w:Metallic bonding is not the only type of chemical bonding a metal can exhibit, even as a pure substance. For example, elemental gallium consists of covalently-bound pairs of atoms in both liquid and solid state—these pairs form a crystal lattice with metallic bonding between them. Another example of a metal–metal covalent bond is mercurous ion (Hg2+
    2
    )." If so can you provide an experimental reference? --Marshallsumter (discusscontribs) 03:49, 14 December 2017 (UTC)
  4. In the section Bulk "mild steel" to "mild steel". --Marshallsumter (discusscontribs) 05:48, 14 December 2017 (UTC)
  5. In the section Bulk "It is quite malleable and somewhat ductile." to "It is quite malleable and somewhat ductile.". Malleability is response to compressive stresses. Ductility is response tensile stresses. The Wikipedia article isn't clear. --Marshallsumter (discusscontribs) 17:00, 14 December 2017 (UTC)

Suggestions:

  1. Native lead isn't mentioned in the article. --Marshallsumter (discusscontribs) 16:30, 8 December 2017 (UTC)
  2. Regarding Atomic, "Diamond cubic structures with lattice parameters around the lattice parameter of silicon exists both in thin lead and tin films, and in massive lead and tin, freshly solidified in vacuum of ≈5 x 10-6 Torr. Experimental evidence for almost identical structures of at least three oxide types is presented, demonstrating that lead and tin behave like silicon not only in the initial stages of crystallization, but also in the initial stages of oxidation."[1] --Marshallsumter (discusscontribs) 05:22, 14 December 2017 (UTC)
  3. Regarding Isotopes, all four stable lead isotopes 204
    Pb
    , 206
    Pb
    , 207
    Pb
    , and 208
    Pb
    are produced by S-process nucleosynthesis and as decay products. --Marshallsumter (discusscontribs) 00:45, 16 December 2017 (UTC)
  4. Regarding Lead(II), is Figure 4 β-PbO or a mixture of α-PbO and β-PbO? This image
    shows both
    . --Marshallsumter (discusscontribs) 01:25, 16 December 2017 (UTC)
  5. Regarding Lead(IV), "Few inorganic lead(IV) compounds are known, and these exist only in highly acidic solutions.[59]". The phrase "highly acidic solutions" or "acidic solutions" does not exist in ref [59]. The reference does state: "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. While organolead(II) compounds are known, organolead chemistry is dominated by the tetravalent (+4) oxidation state." --Marshallsumter (discusscontribs) 02:00, 16 December 2017 (UTC)
  6. Regarding Lead(IV), can you supply a reference for each of these statements: "Lead dioxide is a strong oxidizing agent, capable of oxidizing hydrochloric acid to chlorine gas." and "This is because the expected PbCl4 that would be produced is unstable and spontaneously decomposes to PbCl2 and Cl2."? --Marshallsumter (discusscontribs) 11:12, 17 December 2017 (UTC)

References[edit]

  1. S.K. Peneva, K.D. Djuneva and E.A. Tsukeva (2 May 1981). "RHEED study of the initial stages of crystallization and oxidation of lead and tin". Journal of Crystal Growth 53 (2): 382-396. doi:10.1016/0022-0248(81)90088-9. http://www.sciencedirect.com/science/article/pii/0022024881900889. Retrieved 2017-12-13.