Neon (Ne)

Atomnummer	10
Atommasse	20.1797
mass number	20

Gruppe	18
Periode	2
Blok	p

proton	10 p⁺
neutron	10 n⁰
elektron	10 e^-

Fysisk Egenskab

Atomradius	160 pm 156 pm
molar volume	16,8 cm³/mol
Kovalent Radius	67 pm 96 pm 58 pm
Metallic Radius
Ionisk radius
Crystal Radius
Van der Waals-radius	154 pm 154 pm 160 pm 324,3 pm
massefylde	0,000825 g/cm³

Kemisk Egenskab

{ERROR}

energi

proton affinity	198,8 kJ/mol
electron affinity
ioniseringsenergi	21,56454 eV/particle 40,96296 eV/particle 63,42331 eV/particle 97,19 eV/particle 126,247 eV/particle 157,934 eV/particle 207,271 eV/particle 239,0969 eV/particle 1.195,80779 eV/particle 1.362,1991 eV/particle

Fordampningsvarme	1,74 kJ/mol
smeltevarme
standard enthalpy of formation
elektron

Elektronskal	2, 8

Valenselektron	8 ⓘ

electron configuration	[He] 2s² 2p⁶ⓘ 1s² 2s² 2p⁶

Oxidationstrin
Elektronegativitet	28,31 eV/particle 0.38439
Electrophilicity Index
fundamental state of matter

stoffase
gaseous state of matter	Monoatomic
Kogepunkt	27,104 K
Smeltepunkt	24,56 K
critical pressure	2,6786 MPa
critical temperature	44,492 K
trippelpunkt	24,5561 K 43,37 kPa
appearance
farve	Sort #ff1493 #b3e3f5 #b3e3f5
appearance	colorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Brydningsindeks	1,000067
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity	20,786 J/(mol K)
Varmefylde	1,03 J/(g⋅K)
Adiabateksponenten	5/3
electrical properties
type
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
type	diamagnetic
magnetic susceptibility (Mass)	-0,0000000041 m³/Kg
magnetic susceptibility (Molar)	-0,0000000000827 m³/mol
magnetic susceptibility (Volume)	-0,00000000369
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	{ERROR}
lattice constant	4,43 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
speed of sound	936 m/s
klassificering
Kategori	Actinider, Noble gases
CAS Group	VIII
IUPAC Group	VIIIA
Glawe Number	2
Mendeleev Number	113
Pettifor Number	2
Geochemical Class	volatile
Goldschmidt classification	atmophile

øvrige

Gas Basicity	174,4 kJ/mol
polarizability	2,6611 ± 0,00003 a₀
C6 Dispersion Coefficient	6,2 a₀ 6,91 a₀
allotrope
Neutron cross section	0,04
Neutron Mass Absorption	0,00059
quantum number	1S0
rumgruppe	225 (Fm_3m)

Isotopes of Neon

Stable Isotopes	3
Unstable Isotopes	17
Natural Isotopes	3

¹⁵Ne

mass number	15
neutron number	5
Relative Atomic Mass	15,043172977 ± 0,000071588 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	770 ± 300 ys
spin	3/2
nuclear quadrupole moment
opdagelsesdato	2014
Paritet	-

decay mode	Intensitet
2p (2-proton emission)	100%

¹⁶Ne

mass number	16
neutron number	6
Relative Atomic Mass	16,02575086 ± 0,000021986 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1977
Paritet	+

decay mode	Intensitet
2p (2-proton emission)	100%

¹⁷Ne

mass number	17
neutron number	7
Relative Atomic Mass	17,017713962 ± 0,00000038 Da
g-factor	1,5746 ± 0,0028
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	109,2 ± 0,6 ms
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1963
Paritet	-

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	94.4%
β⁺α (β⁺-delayed α emission)	3.51%
B+pA	0.014%

¹⁸Ne

mass number	18
neutron number	8
Relative Atomic Mass	18,005708696 ± 0,00000039 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	1.664,2 ± 0,47 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1954
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁹Ne

mass number	19
neutron number	9
Relative Atomic Mass	19,001880906 ± 0,000000171 Da
g-factor	-3,7703 ± 0,00014
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	17,2569 ± 0,0019 s
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1939
Paritet	+

decay mode	Intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

²⁰Ne

mass number	20
neutron number	10
Relative Atomic Mass	19,99244017525 ± 0,00000000165 Da
g-factor	0
natural abundance	90,48 ± 0,03
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1913
Paritet	+

²¹Ne

mass number	21
neutron number	11
Relative Atomic Mass	20,993846685 ± 0,000000041 Da
g-factor	-0,44113333333333 ± 0,00002
natural abundance	0,27 ± 0,01
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1928
Paritet	+

²²Ne

mass number	22
neutron number	12
Relative Atomic Mass	21,991385113 ± 0,000000018 Da
g-factor	0
natural abundance	9,25 ± 0,03
radioaktivitet	stable isotope
halveringstid	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1913
Paritet	+

²³Ne

mass number	23
neutron number	13
Relative Atomic Mass	22,994466905 ± 0,000000112 Da
g-factor	-0,43176 ± 0,0004
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	37,15 ± 0,03 s
spin	5/2
nuclear quadrupole moment	0,145 ± 0,013
opdagelsesdato	1936
Paritet	+

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

²⁴Ne

mass number	24
neutron number	14
Relative Atomic Mass	23,993610649 ± 0,00000055 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,38 ± 0,02 m
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1956
Paritet	+

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

²⁵Ne

mass number	25
neutron number	15
Relative Atomic Mass	24,997814797 ± 0,000031181 Da
g-factor	-2,012 ± 0,001
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	602 ± 8 ms
spin	1/2
nuclear quadrupole moment	0
opdagelsesdato	1970
Paritet	+

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

²⁶Ne

mass number	26
neutron number	16
Relative Atomic Mass	26,000516496 ± 0,000019784 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	197 ± 2 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1970
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.13%

²⁷Ne

mass number	27
neutron number	17
Relative Atomic Mass	27,007569462 ± 0,000097445 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	30,9 ± 1,1 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1977
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2%
2n (2-neutron emission)

²⁸Ne

mass number	28
neutron number	18
Relative Atomic Mass	28,012130767 ± 0,000135339 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	18,8 ± 0,2 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1979
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	12%
2n (2-neutron emission)	3.7%

²⁹Ne

mass number	29
neutron number	19
Relative Atomic Mass	29,019753 ± 0,0001605 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	14,7 ± 0,4 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1985
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	28%
2n (2-neutron emission)	4%

³⁰Ne

mass number	30
neutron number	20
Relative Atomic Mass	30,024992235 ± 0,000271875 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	7,22 ± 0,18 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1985
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	13%
2n (2-neutron emission)	8.9%

³¹Ne

mass number	31
neutron number	21
Relative Atomic Mass	31,033474816 ± 0,000285772 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,4 ± 0,8 ms
spin	3/2
nuclear quadrupole moment
opdagelsesdato	1996
Paritet	-

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³²Ne

mass number	32
neutron number	22
Relative Atomic Mass	32,03972 ± 0,00054 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	3,5 ± 0,9 ms
spin	0
nuclear quadrupole moment	0
opdagelsesdato	1990
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

³³Ne

mass number	33
neutron number	23
Relative Atomic Mass	33,049523 ± 0,000644 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	7/2
nuclear quadrupole moment
opdagelsesdato
Paritet	-

decay mode	Intensitet
n (neutron emission)

³⁴Ne

mass number	34
neutron number	24
Relative Atomic Mass	34,056728 ± 0,000551 Da
g-factor	0
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin	0
nuclear quadrupole moment	0
opdagelsesdato	2002
Paritet	+

decay mode	Intensitet
β⁻ (β⁻ decay)
2n (2-neutron emission)
β⁻ n (β⁻-delayed neutron emission)

historie

opdager eller opfinder	Sir William Ramsey, M.W. Travers
fundsted	England
opdagelsesdato	1898
etymologi	Greek: neos (new).
udtale	NEE-on (engelsk)

source

Forekomst
Abundance in Earth's crust	0,005 mg/kg
natural abundance (verdenshave)	0,00012 mg/L
natural abundance (menneskelige krop)
natural abundance (Meteoroid)
natural abundance (Solen)	0,1 %
Abundance in Universe	0,13 %

Nuclear Screening Constants

1	s	0.3579
2	p	4.2416
2	s	4.2416

Neon on ChemicalAid

Neon (Ne)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Neon

15Ne

16Ne

17Ne

18Ne

19Ne

20Ne

21Ne

22Ne

23Ne

24Ne

25Ne

26Ne

27Ne

28Ne

29Ne

30Ne

31Ne

32Ne

33Ne

34Ne

historie

source

Nuclear Screening Constants

¹⁵Ne

¹⁶Ne

¹⁷Ne

¹⁸Ne

¹⁹Ne

²⁰Ne

²¹Ne

²²Ne

²³Ne

²⁴Ne

²⁵Ne

²⁶Ne

²⁷Ne

²⁸Ne

²⁹Ne

³⁰Ne

³¹Ne

³²Ne

³³Ne

³⁴Ne