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


Name Neon Symbol Ne
atomic number 10 Atomic weight 20.17
Density @ 293 K 0.0009 g/cm3 Atomic volume 16.7 cm3/mol
Group Noble Gas discovered 1898


state (s, l, g) g
melting point 24.53 K boiling point 27.1 K
Heat of fusion 0.3317 kJ/mol Heat of vaporization 1.7326 kJ/mol
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1st ionization energy 2080.6 kJ/mole electronegativity
2nd ionization energy 3952.2 kJ/mole electron affinity kJ/mole
3rd ionization energy 6121.9 kJ/mole Specific heat 0.904 J/gK
heat atomization 0 kJ/mole atoms

Oxidation & Electrons

Shells 2,8 electron configuration [He] 2s2 2p6
minimum oxidation number 0 maximum oxidation number 0
min. common oxidation no. 0 max. common oxidation no. 0
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Appearance & Characteristics

structure fcc: face-centered cubic color colorless
uses Neon signs toxicity no
hardness mohs characteristics Inert, dens


reaction with air none reaction with 6M HCl none
reaction with 6M HCl none reaction with 15M HNO3 none
reaction with 6M NaOH none
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Other Forms

number of isotopes 3 hydride(s) none
oxide(s) none chloride(s) none


ionic radius (2- ion) pm ionic radius (1- ion) pm
atomic radius 71 pm ionic radius (1+ ion) pm
ionic radius (2+ ion) pm ionic radius (3+ ion) pm
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thermal conductivity 0.05 J/m-sec-deg electrical conductivity 0 1/mohm-cm
polarizability 0.396 A^3


source Air rel. abund. solar system 6.537 log
abundance earth's crust -2.3 log cost, pure 33 $/100g
cost, bulk $/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.