Neon

Neon (Ne)

grundämne
Atomnummer10
Atommassa20.1797
masstal20
Grupp18
Period2
Blockp
Protoner10 p+
Neutroner10 n0
Electrons10 e-
Animated Bohrs atommodell of Ne (Neon)

Egenskaper

atomradie
160 pm
molvolym
16,8 cm³/mol
kovalent radie
67 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waalsradie
154 pm
densitet
0,000825 g/cm³
energi
proton affinity
198,8 kJ/mol
Elektronaffinitet
joniseringsenergi
21,56454 eV/particle
joniseringsenergi of Ne (Neon)
ångbildningsvärme
1,74 kJ/mol
smältvärme
Bildningsentalpi
Electrons
electron shell2, 8
Bohrs atommodell: Ne (Neon)
valenselektron8
Elektronformel: Ne (Neon)
elektronkonfiguration[He] 2s2 2p6
Enhanced Bohrs atommodell of Ne (Neon)
Orbital Diagram of Ne (Neon)
oxidationstal
elektronegativitet
Electrophilicity
Phases
aggregationstillståndGasformig
Gas PhaseMonoatomic
Kokpunkt
27,104 K
Smältpunkt
24,56 K
critical pressure
2,6786 MPa
critical temperature
44,492 K
trippelpunkt
24,5561 K
43,37 kPa
Visual
färg
Färglös
appearancecolorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Brytningsindex
1,000067
materialegenskap
Värmeledningsförmåga
termisk expansion
molar heat capacity
20,786 J/(mol K)
Specifik värmekapacitet
1,03 J/(g⋅K)
heat capacity ratio5/3
electrical properties
type
elektrisk konduktivitet
resistivitet
supraledare
magnetism
typediamagnetic
magnetisk susceptibilitet (Mass)
−0,0000000041 m³/Kg
magnetisk susceptibilitet (Molar)
−0,0000000000827 m³/mol
magnetisk susceptibilitet (Volume)
−0,00000000369
magnetic ordering
Curiepunkten
Néel temperature
Structure
KristallstrukturYtcentrerat kubiskt (FCC)
Gitterkonstant
4,43 Å
Lattice Anglesπ/2, π/2, π/2
mekanisk materialegenskap
hårdhet
Kompressibilitet
skjuvmodul
Young's modulus
Poissons konstant
ljudhastighet
936 m/s
klassificering
KategoriÄdelgaser, Noble gases
CAS GroupVIII
IUPAC GroupVIIIA
Glawe Number2
Mendeleev Number113
Pettifor Number2
Geochemical Classvolatile
Goldschmidt classificationatmophile
övrigt
Gas Basicity
174,4 kJ/mol
Dipole Polarizability
2,6611 ± 0,00003 a₀
C6 Dispersion Coefficient
6,2 a₀
Allotropes
Träffyta
0,04
Neutron Mass Absorption
0,00059
kvanttal1S0
rymdgrupp225 (Fm_3m)

Neonisotoper

Stabila isotoper3
Instabila isotoper17
Radioactive Isotopes16

15Ne

natural abundanceRadioactive ☢️
relative atomic mass
15,043172977 ± 0,000071588 Da
masstal15
g-factor
Halveringstid
770 ± 300 ys
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum2014
Paritet-
15Ne Decay Modes
decay modeIntensitet
2p (2-proton emission)100%

16Ne

natural abundanceRadioactive ☢️
relative atomic mass
16,02575086 ± 0,000021986 Da
masstal16
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1977
Paritet+
16Ne Decay Modes
decay modeIntensitet
2p (2-proton emission)100%

17Ne

natural abundanceRadioactive ☢️
relative atomic mass
17,017713962 ± 0,00000038 Da
masstal17
g-factor
1,5746 ± 0,0028
Halveringstid
109,2 ± 0,6 ms
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1963
Paritet-
17Ne Decay Modes
decay modeIntensitet
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

natural abundanceRadioactive ☢️
relative atomic mass
18,005708696 ± 0,00000039 Da
masstal18
g-factor
0
Halveringstid
1 664,2 ± 0,47 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1954
Paritet+
18Ne Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

19Ne

natural abundanceRadioactive ☢️
relative atomic mass
19,001880906 ± 0,000000171 Da
masstal19
g-factor
−3,7703 ± 0,00014
Halveringstid
17,2569 ± 0,0019 s
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1939
Paritet+
19Ne Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

20Ne

natural abundance
90,48 ± 0,03
relative atomic mass
19,99244017525 ± 0,00000000165 Da
masstal20
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1913
Paritet+

21Ne

natural abundance
0,27 ± 0,01
relative atomic mass
20,993846685 ± 0,000000041 Da
masstal21
g-factor
−0,44113333333333 ± 0,00002
Halveringstid
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1928
Paritet+

22Ne

natural abundance
9,25 ± 0,03
relative atomic mass
21,991385113 ± 0,000000018 Da
masstal22
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1913
Paritet+

23Ne

natural abundanceRadioactive ☢️
relative atomic mass
22,994466905 ± 0,000000112 Da
masstal23
g-factor
−0,43176 ± 0,0004
Halveringstid
37,15 ± 0,03 s
Spinn5/2
nuclear quadrupole moment
0,145 ± 0,013
upptäcktsdatum1936
Paritet+
23Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%

24Ne

natural abundanceRadioactive ☢️
relative atomic mass
23,993610649 ± 0,00000055 Da
masstal24
g-factor
0
Halveringstid
3,38 ± 0,02 m
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1956
Paritet+
24Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%

25Ne

natural abundanceRadioactive ☢️
relative atomic mass
24,997814797 ± 0,000031181 Da
masstal25
g-factor
−2,012 ± 0,001
Halveringstid
602 ± 8 ms
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1970
Paritet+
25Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%

26Ne

natural abundanceRadioactive ☢️
relative atomic mass
26,000516496 ± 0,000019784 Da
masstal26
g-factor
0
Halveringstid
197 ± 2 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1970
Paritet+
26Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)0.13%

27Ne

natural abundanceRadioactive ☢️
relative atomic mass
27,007569462 ± 0,000097445 Da
masstal27
g-factor
Halveringstid
30,9 ± 1,1 ms
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1977
Paritet+
27Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)2%
2n (2-neutron emission)%

28Ne

natural abundanceRadioactive ☢️
relative atomic mass
28,012130767 ± 0,000135339 Da
masstal28
g-factor
0
Halveringstid
18,8 ± 0,2 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1979
Paritet+
28Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)12%
2n (2-neutron emission)3.7%

29Ne

natural abundanceRadioactive ☢️
relative atomic mass
29,019753 ± 0,0001605 Da
masstal29
g-factor
Halveringstid
14,7 ± 0,4 ms
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1985
Paritet-
29Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)28%
2n (2-neutron emission)4%

30Ne

natural abundanceRadioactive ☢️
relative atomic mass
30,024992235 ± 0,000271875 Da
masstal30
g-factor
0
Halveringstid
7,22 ± 0,18 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1985
Paritet+
30Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)13%
2n (2-neutron emission)8.9%

31Ne

natural abundanceRadioactive ☢️
relative atomic mass
31,033474816 ± 0,000285772 Da
masstal31
g-factor
Halveringstid
3,4 ± 0,8 ms
Spinn3/2
nuclear quadrupole moment
upptäcktsdatum1996
Paritet-
31Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)%
2n (2-neutron emission)%

32Ne

natural abundanceRadioactive ☢️
relative atomic mass
32,03972 ± 0,00054 Da
masstal32
g-factor
0
Halveringstid
3,5 ± 0,9 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1990
Paritet+
32Ne Decay Modes
decay modeIntensitet
β− (β− decay)100%
β− n (β−-delayed neutron emission)%
2n (2-neutron emission)%

33Ne

natural abundance
relative atomic mass
33,049523 ± 0,000644 Da
masstal33
g-factor
Halveringstid
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum
Paritet-
33Ne Decay Modes
decay modeIntensitet
n (neutron emission)%

34Ne

natural abundanceRadioactive ☢️
relative atomic mass
34,056728 ± 0,000551 Da
masstal34
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2002
Paritet+
34Ne Decay Modes
decay modeIntensitet
β− (β− decay)%
2n (2-neutron emission)%
β− n (β−-delayed neutron emission)%
NeTube.jpg

historia

upptäckare eller uppfinnareSir William Ramsey, M.W. Travers
fyndplatsEngland
upptäcktsdatum1898
etymologiGreek: neos (new).
uttalNEE-on (engelska)

Sources

Förekomst
Abundance in Earth's crust
0,005 mg/kg
Abundance in Oceans
0,00012 mg/L
Abundance in Human Body
Abundance in Meteor
Abundance in Sun
0,1 %
Abundance in Universe
0,13 %

Nuclear Screening Constants

1s0.3579
2p4.2416
2s4.2416
Neon on ChemicalAid