Radon (Rn)

chemical element with the atomic number of 86

Atomic Number	86
Atomic Weight	222
mass number	193

Group	18
Period	6
Block	p

proton	86 p⁺
Neutron	107 n⁰
Elektron	86 e^-

Physical Property

Atomic Radius	243 pm
molar volume
Covalent Radius	142 pm 145 pm 133 pm 150 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius	220 pm 243 pm 220 pm 476,5 pm
density	0,009074 g/cm³

Chemical Property

{ERROR}

orka

proton affinity
electron affinity
ionization energy	10,7485 eV/particle 21,4 eV/particle 29,4 eV/particle 36,9 eV/particle 52,9 eV/particle 64 eV/particle 88 eV/particle 102 eV/particle 154 eV/particle 173,9 eV/particle 195 eV/particle 218 eV/particle 240 eV/particle 264 eV/particle 293 eV/particle 317 eV/particle 342 eV/particle 367 eV/particle 488 eV/particle 520 eV/particle 550 eV/particle 580 eV/particle 640 eV/particle 680 eV/particle 760 eV/particle 800 eV/particle 850 eV/particle 920 eV/particle 980 eV/particle 1.050 eV/particle 1.120 eV/particle 1.180 eV/particle 1.250 eV/particle 1.310 eV/particle 1.390 eV/particle 1.460 eV/particle 1.520 eV/particle 1.590 eV/particle 1.660 eV/particle 1.720 eV/particle 2.033 eV/particle 2.094 eV/particle 2.158 eV/particle 2.227 eV/particle 2.293 eV/particle 2.357 eV/particle 2.467 eV/particle 2.535 eV/particle 2.606 eV/particle 2.674 eV/particle 2.944 eV/particle 3.010 eV/particle 3.082 eV/particle 3.149 eV/particle 3.433 eV/particle 3.510 eV/particle 3.699 eV/particle 3.777 eV/particle 6.169 eV/particle 6.318 eV/particle 6.476 eV/particle 6.646 eV/particle 6.807 eV/particle 6.964 eV/particle 7.283 eV/particle 7.450 eV/particle 7.630 eV/particle 7.800 eV/particle 8.260 eV/particle 8.410 eV/particle 8.570 eV/particle 8.710 eV/particle 9.610 eV/particle 9.780 eV/particle 10.120 eV/particle 10.290 eV/particle 21.770 eV/particle 22.160 eV/particle 22.600 eV/particle 23.000 eV/particle 26.310 eV/particle 26.830 eV/particle 27.490 eV/particle 27.903,1 eV/particle 110.842 eV/particle 112.843,7 eV/particle

enthalpy of vaporization	18,1 kJ/mol
enthalpy of fusion
standard enthalpy of formation
Elektron

electron shell	2, 8, 18, 32, 18, 8

valence electron	8 ⓘ

electron configuration	[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p⁶

oxidation number	2, 6
electronegativity	15,4 eV/particle 0.195772
Electrophilicity Index
fundamental state of matter

phase of matter
gaseous state of matter	Monoatomic
Boiling Point	211,45 K
Melting Point	202,15 K
critical pressure	6,28 MPa
critical temperature	377,15 K
triple point
appearance
litur	Black #ffffff #428296 #428296
appearance	colorless gas, occasionally glows green or red in discharge tubes
refractive index
thermodynamic material property
Thermal Conductivity	0,0036 W/(m K)
thermal expansion
molar heat capacity	20,786 J/(mol K)
Specific Heat Capacity	0,094 J/(g⋅K)
heat capacity ratio	5/3
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
bygnaður
Crystal Structure	{ERROR}
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
Category	Actinides, Noble gases
CAS Group	VIII
IUPAC Group	VIIIA
Glawe Number	6
Mendeleev Number	117
Pettifor Number	6
Geochemical Class	U/Th decay series
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	35 ± 2 a₀
C6 Dispersion Coefficient	408 a₀
allotrope
Neutron cross section	0,7
Neutron Mass Absorption
quantum number	1S0
space group	()

Isotopes of Radon

Stable Isotopes	0
Unstable Isotopes	39
Natural Isotopes	0

¹⁹³Rn

mass number	193
neutron number	107
Relative Atomic Mass	193,009707973 ± 0,000026958 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	1,15 ± 0,27 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	2006
parity	-

decay mode	intensity
α (α emission)	100%

¹⁹⁴Rn

mass number	194
neutron number	108
Relative Atomic Mass	194,006145636 ± 0,000017884 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	780 ± 160 us
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2006
parity	+

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹⁵Rn

mass number	195
neutron number	109
Relative Atomic Mass	195,005421703 ± 0,000055487 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	7 ± 3 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	2001
parity	-

decay mode	intensity
α (α emission)	100%

¹⁹⁶Rn

mass number	196
neutron number	110
Relative Atomic Mass	196,002120431 ± 0,000015087 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	4,7 ± 1,1 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1995
parity	+

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹⁷Rn

mass number	197
neutron number	111
Relative Atomic Mass	197,001621446 ± 0,000017383 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	54 ± 6 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1995
parity	-

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹⁸Rn

mass number	198
neutron number	112
Relative Atomic Mass	197,998679197 ± 0,000014406 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	64,4 ± 1,6 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1984
parity	+

decay mode	intensity
α (α emission)	93%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁹⁹Rn

mass number	199
neutron number	113
Relative Atomic Mass	198,998325436 ± 0,000007833 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	590 ± 30 ms
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1980
parity	-

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁰⁰Rn

mass number	200
neutron number	114
Relative Atomic Mass	199,995705335 ± 0,000006217 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	1,09 ± 0,16 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1971
parity	+

decay mode	intensity
α (α emission)	92%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁰¹Rn

mass number	201
neutron number	115
Relative Atomic Mass	200,995590511 ± 0,000010865 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	7 ± 0,4 s
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1967
parity	-

decay mode	intensity
α (α emission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁰²Rn

mass number	202
neutron number	116
Relative Atomic Mass	201,993263982 ± 0,000018808 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	9,7 ± 0,1 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1967
parity	+

decay mode	intensity
α (α emission)	78%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁰³Rn

mass number	203
neutron number	117
Relative Atomic Mass	202,993361155 ± 0,000006242 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	44,2 ± 1,6 s
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1967
parity	-

decay mode	intensity
α (α emission)	66%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	34%

²⁰⁴Rn

mass number	204
neutron number	118
Relative Atomic Mass	203,991443729 ± 0,000007991 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	1,242 ± 0,023 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1967
parity	+

decay mode	intensity
α (α emission)	72.4%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁰⁵Rn

mass number	205
neutron number	119
Relative Atomic Mass	204,991723228 ± 0,000005453 Da
g-factor	0,3192 ± 0,00064
natural abundance
radioactivity	☢️ radioactive element
half-life	170 ± 4 s
spin	5/2
nuclear quadrupole moment	0,062 ± 0,006
time of discovery or invention	1967
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	75.4%
α (α emission)	24.6%

²⁰⁶Rn

mass number	206
neutron number	120
Relative Atomic Mass	205,990195409 ± 0,000009223 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	5,67 ± 0,17 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1954
parity	+

decay mode	intensity
α (α emission)	62%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	38%

²⁰⁷Rn

mass number	207
neutron number	121
Relative Atomic Mass	206,990730224 ± 0,00000509 Da
g-factor	0,32496 ± 0,00064
natural abundance
radioactivity	☢️ radioactive element
half-life	9,25 ± 0,17 m
spin	5/2
nuclear quadrupole moment	0,22 ± 0,02
time of discovery or invention	1954
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	79%
α (α emission)	21%

²⁰⁸Rn

mass number	208
neutron number	122
Relative Atomic Mass	207,989634513 ± 0,00001091 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	24,35 ± 0,14 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1955
parity	+

decay mode	intensity
α (α emission)	62%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	38%

²⁰⁹Rn

mass number	209
neutron number	123
Relative Atomic Mass	208,990401389 ± 0,000010692 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	28,8 ± 1 m
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1952
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	83%
α (α emission)	17%

²¹⁰Rn

mass number	210
neutron number	124
Relative Atomic Mass	209,989688862 ± 0,000004892 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	2,4 ± 0,1 h
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1952
parity	+

decay mode	intensity
α (α emission)	96%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²¹¹Rn

mass number	211
neutron number	125
Relative Atomic Mass	210,990600767 ± 0,000007314 Da
g-factor	1,1968 ± 0,0024
natural abundance
radioactivity	☢️ radioactive element
half-life	14,6 ± 0,2 h
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1952
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	72.6%
α (α emission)	27.4%

²¹²Rn

mass number	212
neutron number	126
Relative Atomic Mass	211,990703946 ± 0,000003338 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	23,9 ± 1,2 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1950
parity	+

decay mode	intensity
α (α emission)	100%

²¹³Rn

mass number	213
neutron number	127
Relative Atomic Mass	212,993885147 ± 0,000003618 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	19,5 ± 0,1 ms
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1967
parity	+

decay mode	intensity
α (α emission)	100%

²¹⁴Rn

mass number	214
neutron number	128
Relative Atomic Mass	213,99536265 ± 0,000009862 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	259 ± 3 ns
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1970
parity	+

decay mode	intensity
α (α emission)	100%

²¹⁵Rn

mass number	215
neutron number	129
Relative Atomic Mass	214,998745037 ± 0,000006538 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	2,3 ± 0,1 us
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1952
parity	+

decay mode	intensity
α (α emission)	100%

²¹⁶Rn

mass number	216
neutron number	130
Relative Atomic Mass	216,000271942 ± 0,000006192 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	29 ± 4 us
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1949
parity	+

decay mode	intensity
α (α emission)	100%

²¹⁷Rn

mass number	217
neutron number	131
Relative Atomic Mass	217,003927632 ± 0,000004506 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	593 ± 38 us
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1949
parity	+

decay mode	intensity
α (α emission)	100%

²¹⁸Rn

mass number	218
neutron number	132
Relative Atomic Mass	218,005601123 ± 0,000002486 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	33,75 ± 0,15 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1948
parity	+

decay mode	intensity
α (α emission)	100%

²¹⁹Rn

mass number	219
neutron number	133
Relative Atomic Mass	219,009478683 ± 0,000002254 Da
g-factor	−0,17596 ± 0,00048
natural abundance
radioactivity	☢️ radioactive element
half-life	3,96 ± 0,01 s
spin	5/2
nuclear quadrupole moment	1,15 ± 0,12
time of discovery or invention	1903
parity	+

decay mode	intensity
α (α emission)	100%

²²⁰Rn

mass number	220
neutron number	134
Relative Atomic Mass	220,011392443 ± 0,000001947 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	55,6 ± 0,1 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1900
parity	+

decay mode	intensity
α (α emission)	100%
2β⁻ (double β⁻ decay)

²²¹Rn

mass number	221
neutron number	135
Relative Atomic Mass	221,015535637 ± 0,000006134 Da
g-factor	−0,0057428571428571 ± 0,00017142857142857
natural abundance
radioactivity	☢️ radioactive element
half-life	25,7 ± 0,5 m
spin	7/2
nuclear quadrupole moment	−0,47 ± 0,05
time of discovery or invention	1956
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	78%
α (α emission)	22%

²²²Rn

mass number	222
neutron number	136
Relative Atomic Mass	222,017576017 ± 0,000002086 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	3,8215 ± 0,0002 d
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1899
parity	+

decay mode	intensity
α (α emission)	100%

²²³Rn

mass number	223
neutron number	137
Relative Atomic Mass	223,021889283 ± 0,000008397 Da
g-factor	−0,22057142857143 ± 0,0022857142857143
natural abundance
radioactivity	☢️ radioactive element
half-life	24,3 ± 0,4 m
spin	7/2
nuclear quadrupole moment	0,8 ± 0,08
time of discovery or invention	1964
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
α (α emission)

²²⁴Rn

mass number	224
neutron number	138
Relative Atomic Mass	224,024095803 ± 0,000010536 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	107 ± 3 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1964
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁵Rn

mass number	225
neutron number	139
Relative Atomic Mass	225,028485572 ± 0,000011958 Da
g-factor	−0,198 ± 0,0022857142857143
natural abundance
radioactivity	☢️ radioactive element
half-life	4,66 ± 0,04 m
spin	7/2
nuclear quadrupole moment	0,84 ± 0,08
time of discovery or invention	1969
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁶Rn

mass number	226
neutron number	140
Relative Atomic Mass	226,03086138 ± 0,000011247 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	7,4 ± 0,1 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1969
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁷Rn

mass number	227
neutron number	141
Relative Atomic Mass	227,035304393 ± 0,000015127 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	20,2 ± 0,4 s
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1986
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁸Rn

mass number	228
neutron number	142
Relative Atomic Mass	228,037835415 ± 0,000018977 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	65 ± 2 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1989
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁹Rn

mass number	229
neutron number	143
Relative Atomic Mass	229,042257272 ± 0,000014 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	11,9 ± 1,3 s
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2009
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³⁰Rn

mass number	230
neutron number	144
Relative Atomic Mass	230,045271 ± 0,000215 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

²³¹Rn

mass number	231
neutron number	145
Relative Atomic Mass	231,049973 ± 0,000322 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

søga

discoverer or inventor	Fredrich Ernst Dorn
location of discovery	Germany
time of discovery or invention	1898
etymology	Variation of the name of another element, radium.
pronunciation	RAY-don (enskt)

source

Abundance
Abundance in Earth's crust	0,0000000000004 mg/kg
natural abundance (hav)	0,0000000000000006 mg/L
natural abundance (human body)
natural abundance (meteoroid)
natural abundance (Sólin)
Abundance in Universe	0 %

Nuclear Screening Constants

1	s	1.6659
2	p	4.562
2	s	22.5864
3	d	13.4027
3	p	23.7194
3	s	24.9149
4	d	38.0572
4	f	37.6688
4	p	36.6988
4	s	35.85
5	d	58.647
5	p	54.029
5	s	52.107
6	p	69.9242
6	s	67.676

Radon on ChemicalAid

Radon (Rn)

Physical Property

Chemical Property

other

Isotopes of Radon

193Rn

194Rn

195Rn

196Rn

197Rn

198Rn

199Rn

200Rn

201Rn

202Rn

203Rn

204Rn

205Rn

206Rn

207Rn

208Rn

209Rn

210Rn

211Rn

212Rn

213Rn

214Rn

215Rn

216Rn

217Rn

218Rn

219Rn

220Rn

221Rn

222Rn

223Rn

224Rn

225Rn

226Rn

227Rn

228Rn

229Rn

230Rn

231Rn

søga

source

Nuclear Screening Constants

¹⁹³Rn

¹⁹⁴Rn

¹⁹⁵Rn

¹⁹⁶Rn

¹⁹⁷Rn

¹⁹⁸Rn

¹⁹⁹Rn

²⁰⁰Rn

²⁰¹Rn

²⁰²Rn

²⁰³Rn

²⁰⁴Rn

²⁰⁵Rn

²⁰⁶Rn

²⁰⁷Rn

²⁰⁸Rn

²⁰⁹Rn

²¹⁰Rn

²¹¹Rn

²¹²Rn

²¹³Rn

²¹⁴Rn

²¹⁵Rn

²¹⁶Rn

²¹⁷Rn

²¹⁸Rn

²¹⁹Rn

²²⁰Rn

²²¹Rn

²²²Rn

²²³Rn

²²⁴Rn

²²⁵Rn

²²⁶Rn

²²⁷Rn

²²⁸Rn

²²⁹Rn

²³⁰Rn

²³¹Rn