Neó

Neó (Ne)

chemical element with symbol Ne and atomic number 10; rare gas
Atomic Number10
Atomic Weight20.1797
Rhif màs20
Group18
Period2
Blockp
Proton10 p+
Niwtron10 n0
Electron10 e-
Animated Bohr model of Ne (Neó)

Nodwedd Ffisegol

Atomic Radius
160 pm
molar volume
covalent radius
67 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
154 pm
density
0.000825 g/cm³
Atomic Radii Of The Elements: Neó0102030405060708090100110120130140150160pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Nodwedd Gemegol

egni
proton affinity
198.8 kJ/mol
electron affinity
ionization energy
21.56454 eV/particle
ionization energy of Ne (Neó)
enthalpy of vaporization
1.74 kJ/mol
enthalpy of fusion
standard enthalpy of formation
Electron
plisgyn yr electron2, 8
Bohr model: Ne (Neó)
valence electron8
Lewis structure: Ne (Neó)
trefn yr electronnau[He] 2s2 2p6
1s2 2s2 2p6
Enhanced Bohr model of Ne (Neó)
Orbital Diagram of Ne (Neó)
Cyflwr ocsidiad
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater
cyflwr materGas
gaseous state of matterMonoatomic
Boiling Point
27.104 K
Melting Point
24.56 K
critical pressure
2.6786 MPa
critical temperature
44.492 K
triple point
24.5561 K
43.37 kPa
appearance
lliw
Colorless
appearancecolorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Mynegrif plygiant
1.000067
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
20.786 J/(mol K)
Specific Heat Capacity
heat capacity ratio5/3
electrical properties
type
dargludedd trydanol
Gwrthedd
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
strwythur
Crystal StructureFace Centered Cubic (FCC)
lattice constant
4.43 Å
Lattice Anglesπ/2, π/2, π/2
nodwedd mecanyddol deunyddiau
hardness
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

Rhif màs15
neutron number5
relative atomic mass
15.043172977 ± 0.000071588 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
770 ± 300 ys
spin3/2
nuclear quadrupole moment
dyddiad darganfod2014
parity-

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

16Ne

Rhif màs16
neutron number6
relative atomic mass
16.02575086 ± 0.000021986 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod1977
parity+

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

17Ne

Rhif màs17
neutron number7
relative atomic mass
17.017713962 ± 0.00000038 Da
g-factor
1.5746 ± 0.0028
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
109.2 ± 0.6 ms
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1963
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

Rhif màs18
neutron number8
relative atomic mass
18.005708696 ± 0.00000039 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
1,664.2 ± 0.47 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1954
parity+

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

19Ne

Rhif màs19
neutron number9
relative atomic mass
19.001880906 ± 0.000000171 Da
g-factor
-3.7703 ± 0.00014
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
17.2569 ± 0.0019 s
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1939
parity+

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

20Ne

Rhif màs20
neutron number10
relative atomic mass
19.99244017525 ± 0.00000000165 Da
g-factor
0
natural abundance
90.48 ± 0.03
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1913
parity+

21Ne

Rhif màs21
neutron number11
relative atomic mass
20.993846685 ± 0.000000041 Da
g-factor
-0.44113333333333 ± 0.00002
natural abundance
0.27 ± 0.01
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
dyddiad darganfod1928
parity+

22Ne

Rhif màs22
neutron number12
relative atomic mass
21.991385113 ± 0.000000018 Da
g-factor
0
natural abundance
9.25 ± 0.03
Dadfeilio ymbelydrolstable isotope
Hanner oesNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dyddiad darganfod1913
parity+

23Ne

Rhif màs23
neutron number13
relative atomic mass
22.994466905 ± 0.000000112 Da
g-factor
-0.43176 ± 0.0004
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
37.15 ± 0.03 s
spin5/2
nuclear quadrupole moment
0.145 ± 0.013
dyddiad darganfod1936
parity+

decay modeintensity
β (β decay)100%

24Ne

Rhif màs24
neutron number14
relative atomic mass
23.993610649 ± 0.00000055 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.38 ± 0.02 m
spin0
nuclear quadrupole moment
0
dyddiad darganfod1956
parity+

decay modeintensity
β (β decay)100%

25Ne

Rhif màs25
neutron number15
relative atomic mass
24.997814797 ± 0.000031181 Da
g-factor
-2.012 ± 0.001
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
602 ± 8 ms
spin1/2
nuclear quadrupole moment
0
dyddiad darganfod1970
parity+

decay modeintensity
β (β decay)100%

26Ne

Rhif màs26
neutron number16
relative atomic mass
26.000516496 ± 0.000019784 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
197 ± 2 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1970
parity+

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

27Ne

Rhif màs27
neutron number17
relative atomic mass
27.007569462 ± 0.000097445 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
30.9 ± 1.1 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1977
parity+

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

28Ne

Rhif màs28
neutron number18
relative atomic mass
28.012130767 ± 0.000135339 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
18.8 ± 0.2 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1979
parity+

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

29Ne

Rhif màs29
neutron number19
relative atomic mass
29.019753 ± 0.0001605 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
14.7 ± 0.4 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1985
parity-

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

30Ne

Rhif màs30
neutron number20
relative atomic mass
30.024992235 ± 0.000271875 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
7.22 ± 0.18 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1985
parity+

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

31Ne

Rhif màs31
neutron number21
relative atomic mass
31.033474816 ± 0.000285772 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.4 ± 0.8 ms
spin3/2
nuclear quadrupole moment
dyddiad darganfod1996
parity-

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

32Ne

Rhif màs32
neutron number22
relative atomic mass
32.03972 ± 0.00054 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
3.5 ± 0.9 ms
spin0
nuclear quadrupole moment
0
dyddiad darganfod1990
parity+

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

33Ne

Rhif màs33
neutron number23
relative atomic mass
33.049523 ± 0.000644 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin7/2
nuclear quadrupole moment
dyddiad darganfod
parity-

decay modeintensity
n (neutron emission)

34Ne

Rhif màs34
neutron number24
relative atomic mass
34.056728 ± 0.000551 Da
g-factor
0
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin0
nuclear quadrupole moment
0
dyddiad darganfod2002
parity+

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

hanes

darganfyddwr neu ddyfeisiwrSir William Ramsey, M.W. Travers
man darganfodEngland
dyddiad darganfod1898
geirdarddiadGreek: neos (new).
ynganiadNEE-on (Saesneg)

source

Abundance
Abundance in Earth's crust
0.005 mg/kg
natural abundance (cefnfor)
0.00012 mg/L
natural abundance (corff dynol)
natural abundance (Awyrfaen)
natural abundance (Haul)
0.1 %
Abundance in Universe
0.13 %

Nuclear Screening Constants

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