Chemicool

Hg

80

200.59
Mercury
General | States | Energies | Oxidation & Electrons |Appearance & Characteristics
Reactions | Other Forms |Radius | Conductivity | Abundance
Encyclopedia Britannica articles

General

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

States

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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Energies

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

Reactions

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

Radius

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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Conductivity

thermal conductivity 8.3 J/m-sec-deg electrical conductivity 10.163 1/mohm-cm
polarizability 5.4 A^3

Abundance

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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