General | States | Energies | Oxidation & Electrons |Appearance & Characteristics
Reactions | Other Forms |Radius | Conductivity | Abundance
Encyclopedia Britannica articles


Name Mercury Symbol Hg
atomic number 80 Atomic weight 200.59
Density @ 293 K 13.546 g/cm3 Atomic volume 14.82 cm3/mol
Group Trans. Met. discovered 0


state (s, l, g) l
melting point 234.33 K boiling point 630 K
Heat of fusion 2.295 kJ/mol Heat of vaporization 59.229 kJ/mol
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1st ionization energy 1007 kJ/mole electronegativity 2
2nd ionization energy 1810 kJ/mole electron affinity kJ/mole
3rd ionization energy 3300 kJ/mole Specific heat 0.139 J/gK
heat atomization 61 kJ/mole atoms

Oxidation & Electrons

Shells 2,8,18,32,18,2 electron configuration [Xe] 4f14 5d10 6s2
minimum oxidation number 0 maximum oxidation number 2
min. common oxidation no. 0 max. common oxidation no. 2
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Appearance & Characteristics

structure rhombohedral color silvery-white
uses amalgams, Cl2, NaOH prod. toxicity yes
hardness mohs characteristics liquid at r.t., volatile


reaction with air none, w/ht (350C) = HgO reaction with 6M HCl none
reaction with 6M HCl none reaction with 15M HNO3 mild, = NOx, Hg(NO3)2
reaction with 6M NaOH none
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Other Forms

number of isotopes 7 hydride(s) none
oxide(s) HgO chloride(s) Hg2Cl2 HgCl2


ionic radius (2- ion) pm ionic radius (1- ion) pm
atomic radius 151 pm ionic radius (1+ ion) 133 pm
ionic radius (2+ ion) 116 pm ionic radius (3+ ion) pm
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thermal conductivity 8.3 J/m-sec-deg electrical conductivity 10.163 1/mohm-cm
polarizability 5.4 A^3


source Cinnabar (sulfide) rel. abund. solar system -0.469 log
abundance earth's crust -1.1 log cost, pure 5 $/100g
cost, bulk 0.51 $/100g
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World Wide Web presentation of Chemicool Periodic Table is © Copyright 1996-99 by David D. Hsu. Some data were provided by and used with the permission of JCE Software and is owned and copyright by the Division of Chemical Education, Inc. Additional data were provided by Perkin-Elmer through Peter Lykos of IIT. The information may not be redistributed without the permission of David Hsu or JCE Software.