Neon

Neon (Ne)

chemical element with symbol Ne and atomic number 10; rare gas
Atomic Number10
Atomic Weight20.1797
mass number20
Group18
Period2
Blockp
proton10 p+
neutron10 n0
electron10 e-
Animated Bohr model of Ne (Neon)

Proprietat Fisica

Rai Atomic
160 pm
molar volume
covalent radius
67 pm
Metallic Radius
ionic radius
Crystal Radius
Rai de van der Waals
154 pm
densitat
0.000825 g/cm³
Atomic Radii Of The Elements: Neon0102030405060708090100110120130140150160pmRai AtomicCovalent RadiusMetallic RadiusRai de van der Waals

Chemical Property

energia
proton affinity
198.8 kJ/mol
electron affinity
ionization energy
21.56454 eV/particle
ionization energy of Ne (Neon)
enthalpy of vaporization
1.74 kJ/mol
enthalpy of fusion
standard enthalpy of formation
electron
electron shell2, 8
Bohr model: Ne (Neon)
valence electron8
Lewis structure: Ne (Neon)
electron configuration[He] 2s2 2p6
1s2 2s2 2p6
Enhanced Bohr model of Ne (Neon)
Orbital Diagram of Ne (Neon)
oxidation number
Electronegativitat
Electrophilicity Index
fundamental state of matter
estat de la matèriaGas
gaseous state of matterMonoatomic
Boiling Point
27.104 K
Melting Point
24.56 K
critical pressure
2.6786 MPa
critical temperature
44.492 K
Ponch triple
24.5561 K
43.37 kPa
appearance
Color
Colorless
appearancecolorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Indici de refraccion
1.000067
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
20.786 J/(mol K)
Specific Heat Capacity
heat capacity ratio5/3
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000041 m³/Kg
magnetic susceptibility (Molar)
-0.0000000000827 m³/mol
magnetic susceptibility (Volume)
-0.00000000369
magnetic ordering
Curie temperature
Néel temperature
estructura
Crystal StructureFace Centered Cubic (FCC)
lattice constant
4.43 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Duretat
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
936 m/s
classification
CategoryNoble gases, Noble gases
CAS GroupVIII
IUPAC GroupVIIIA
Glawe Number2
Mendeleev Number113
Pettifor Number2
Geochemical Classvolatile
Goldschmidt classificationatmophile

other

Gas Basicity
174.4 kJ/mol
polarizability
2.6611 ± 0.00003 a₀
C6 Dispersion Coefficient
6.2 a₀
allotrope
Neutron cross section
0.04
Neutron Mass Absorption
0.00059
quantum number1S0
space group225 (Fm_3m)

Isotopes of Neon

Stable Isotopes3
Unstable Isotopes17
Natural Isotopes3
Isotopic Composition2090.48%2090.48%229.25%229.25%210.27%210.27%

15Ne

mass number15
neutron number5
relative atomic mass
15.043172977 ± 0.000071588 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
770 ± 300 ys
Espin3/2
nuclear quadrupole moment
data de descobèrta2014
parity-

decay modeintensity
2p (2-proton emission)100%

16Ne

mass number16
neutron number6
relative atomic mass
16.02575086 ± 0.000021986 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta1977
parity+

decay modeintensity
2p (2-proton emission)100%

17Ne

mass number17
neutron number7
relative atomic mass
17.017713962 ± 0.00000038 Da
g-factor
1.5746 ± 0.0028
natural abundance
Radioactivitat☢️ radioactive element
Semivida
109.2 ± 0.6 ms
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1963
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)94.4%
β+α (β+-delayed α emission)3.51%
B+pA0.014%

18Ne

mass number18
neutron number8
relative atomic mass
18.005708696 ± 0.00000039 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
1664.2 ± 0.47 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1954
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

19Ne

mass number19
neutron number9
relative atomic mass
19.001880906 ± 0.000000171 Da
g-factor
-3.7703 ± 0.00014
natural abundance
Radioactivitat☢️ radioactive element
Semivida
17.2569 ± 0.0019 s
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1939
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

20Ne

mass number20
neutron number10
relative atomic mass
19.99244017525 ± 0.00000000165 Da
g-factor
0
natural abundance
90.48 ± 0.03
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin0
nuclear quadrupole moment
0
data de descobèrta1913
parity+

21Ne

mass number21
neutron number11
relative atomic mass
20.993846685 ± 0.000000041 Da
g-factor
-0.44113333333333 ± 0.00002
natural abundance
0.27 ± 0.01
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin3/2
nuclear quadrupole moment
data de descobèrta1928
parity+

22Ne

mass number22
neutron number12
relative atomic mass
21.991385113 ± 0.000000018 Da
g-factor
0
natural abundance
9.25 ± 0.03
Radioactivitatstable isotope
SemividaNot Radioactive ☢️
Espin0
nuclear quadrupole moment
0
data de descobèrta1913
parity+

23Ne

mass number23
neutron number13
relative atomic mass
22.994466905 ± 0.000000112 Da
g-factor
-0.43176 ± 0.0004
natural abundance
Radioactivitat☢️ radioactive element
Semivida
37.15 ± 0.03 s
Espin5/2
nuclear quadrupole moment
0.145 ± 0.013
data de descobèrta1936
parity+

decay modeintensity
β (β decay)100%

24Ne

mass number24
neutron number14
relative atomic mass
23.993610649 ± 0.00000055 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
3.38 ± 0.02 m
Espin0
nuclear quadrupole moment
0
data de descobèrta1956
parity+

decay modeintensity
β (β decay)100%

25Ne

mass number25
neutron number15
relative atomic mass
24.997814797 ± 0.000031181 Da
g-factor
-2.012 ± 0.001
natural abundance
Radioactivitat☢️ radioactive element
Semivida
602 ± 8 ms
Espin1/2
nuclear quadrupole moment
0
data de descobèrta1970
parity+

decay modeintensity
β (β decay)100%

26Ne

mass number26
neutron number16
relative atomic mass
26.000516496 ± 0.000019784 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
197 ± 2 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.13%

27Ne

mass number27
neutron number17
relative atomic mass
27.007569462 ± 0.000097445 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
30.9 ± 1.1 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1977
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2%
2n (2-neutron emission)

28Ne

mass number28
neutron number18
relative atomic mass
28.012130767 ± 0.000135339 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
18.8 ± 0.2 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)12%
2n (2-neutron emission)3.7%

29Ne

mass number29
neutron number19
relative atomic mass
29.019753 ± 0.0001605 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
14.7 ± 0.4 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1985
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)28%
2n (2-neutron emission)4%

30Ne

mass number30
neutron number20
relative atomic mass
30.024992235 ± 0.000271875 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
7.22 ± 0.18 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1985
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)13%
2n (2-neutron emission)8.9%

31Ne

mass number31
neutron number21
relative atomic mass
31.033474816 ± 0.000285772 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
3.4 ± 0.8 ms
Espin3/2
nuclear quadrupole moment
data de descobèrta1996
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

32Ne

mass number32
neutron number22
relative atomic mass
32.03972 ± 0.00054 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
3.5 ± 0.9 ms
Espin0
nuclear quadrupole moment
0
data de descobèrta1990
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

33Ne

mass number33
neutron number23
relative atomic mass
33.049523 ± 0.000644 Da
g-factor
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin7/2
nuclear quadrupole moment
data de descobèrta
parity-

decay modeintensity
n (neutron emission)

34Ne

mass number34
neutron number24
relative atomic mass
34.056728 ± 0.000551 Da
g-factor
0
natural abundance
Radioactivitat☢️ radioactive element
Semivida
Espin0
nuclear quadrupole moment
0
data de descobèrta2002
parity+

decay modeintensity
β (β decay)
2n (2-neutron emission)
β n (β-delayed neutron emission)
NeTube

istòria

descobridor o inventaireSir William Ramsey, M.W. Travers
luòc de descobèrtaEngland
data de descobèrta1898
EtimologiaGreek: neos (new).
pronunciationNEE-on (English)

source

Abundance
Abundance in Earth's crust
0.005 mg/kg
natural abundance (Ocean)
0.00012 mg/L
natural abundance (còs uman)
natural abundance (meteoroid)
natural abundance (Solelh)
0.1 %
Abundance in Universe
0.13 %

Nuclear Screening Constants

1s0.3579
2p4.2416
2s4.2416