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Zinc

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Joanna | 12:47 Thu 02nd Aug 2001 | How it Works
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What are the properties of zinc?
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Symbol Zn. Atomic number 30. Relative atomic mass (12C = 12.0000) 65.39. Atomic radius 133pm. First ionisation energy 906.4 kJ mol-1. Electronegativity 1.65. Density 7133 [293 K] kg m-3. Molar volume 9.17 cm3. Thermal conductivity 116 [300 K] W m-1 K-1. Melting point 692.73 K Boiling pint 1180 K. Number of isotopes 23. Ground state electron configuration 3d104s2 [Ar]Term Symbol 1S0. Known since before 1500. Name derived from German zink. Name in other languages: Croatian Cink; Danish zink; Dutch zink; Finnish sinkki; French zinc; German zink; Italian zinco; Norwegian sink; Portuguese zinco; Spanish cinc; Swedish zink.
18:23 Wed 08th Aug 2001

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