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                            Chemistry Nexus

                            by WebElements: the periodic table on the web

                            网络斗地主下载I am indebted to a number of important contibutors, some of whom are detailed below.

                            Nearing Zero

                            网络斗地主下载WebElements™ has added cartoons included by kind permission of Nick Kim, an example of a rare breed, a chemist who can produce excellent cartoons.

                            More contributors

                            I am grateful to the following experts:

                            1. (Jefferson Laboratory, USA) who provided the electron binding energy data
                            2. Prof Don Jenkins (University of Warwick, UK) who provided the lattice energy data
                            3. Professor J.A. Kerr (University of Birmingham, UK) for the provision of the bond strengths of diatomic molecules data
                            4. Professor Robin Harris (University of Durham, UK) who provided much of the NMR data, which are copyright 1996 IUPAC
                            5. (University of Helsinki, Finland) who provided the nuclear quadrupole moment data
                            6. Barry Evans and Graham McElearney (University of Sheffield, UK) who provided some of the photographs of my fireworks. I am also pleased to acknowledge Steve Collier (Sheffield University Television) who filmed and digitized the video clips of my fireworks
                            7. Malcolm Rathbone of Thessco, Sheffield, UK, who allowed me to photograph several elements on their site and for several pictures. And for putting on great parties over the years!
                            8. Dr Andrew Goodfellow of , Oxford, UK, who allowed me to photograph samples of several elements so that you can see what they look like. Advent Research Materials are suppliers of high quality sample of metals (alloys, foils, sheets, wires, mesh, rods, tubes) for research and development and for industry. Further details on their

                            Other acknowledgements

                            During the preparation of an earlier version of this web site (prior to July 1997), the author had the benefit of the use of data and information compiled by Dr John Emsley for the 3rd edition of his book “The Elements”.The author is also grateful to (University of California, Los Angeles, USA) for many perceptive comments over the years.The author is indebted to thousands of people, too many to list here, who have sent in corrections for WebElements™ and comments about WebElements™ since its launch in 1993. I’m still working my way through the correspondence (slowly)!

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