Chemicool
Rn
86
(222)
Radon
General
|
States
|
Energies
|
Oxidation & Electrons
|
Appearance & Characteristics
Reactions
|
Other Forms
|
Radius
|
Conductivity
|
Abundance
Encyclopedia Britannica articles
General
Name
Radon
Symbol
Rn
atomic number
86
Atomic weight
(222)
Density @ 293 K
0.00973 g/cm3
Atomic volume
50.5 cm3/mol
Group
Noble Gas
discovered
1900
States
state (s, l, g)
g
melting point
202.2 K
boiling point
211 K
Heat of fusion
2.890 kJ/mol
Heat of vaporization
16.40 kJ/mol
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Energies
1st ionization energy
1037 kJ/mole
electronegativity
2nd ionization energy
kJ/mole
electron affinity
kJ/mole
3rd ionization energy
kJ/mole
Specific heat
0.09 J/gK
heat atomization
0 kJ/mole atoms
Oxidation & Electrons
Shells
2,8,18,32,18,8
electron configuration
[Xe] 4f14 5d10 6s2 6p6
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
color
colorless
uses
earthquake prediction
toxicity
hardness
mohs
characteristics
Radioactive,air pollutant
Reactions
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
0
hydride(s)
oxide(s)
chloride(s)
Radius
ionic radius (2- ion)
pm
ionic radius (1- ion)
pm
atomic radius
pm
ionic radius (1+ ion)
pm
ionic radius (2+ ion)
pm
ionic radius (3+ ion)
pm
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Conductivity
thermal conductivity
0 J/m-sec-deg
electrical conductivity
0 1/mohm-cm
polarizability
5.3 A^3
Abundance
source
Synthetic(Ra-226 decay)
rel. abund. solar system
log
abundance earth's crust
-12.4 log
cost, pure
$/100g
cost, bulk
$/100g
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