Neptuniy

Neptuniy (Np)

chemical element with the atomic number of 93 and symbol Np
Atomic Number93
Atomic Weight237
mass number219
Group
Period7
Blockf
Proton93 p+
Neytron126 n0
Elektron93 e-
Animated Bohr model of Np (Neptuniy)

Fizik Xossa

Atom Radiusi
175 pm
Molyar hajm
Kovalentlik Radiusi
171 pm
Metallic Radius
Ion radiuslar
110 pm
Crystal Radius
124 pm
Van der Waals radius
239 pm
density
20,2 g/cm³
Atomic Radii Of The Elements: Neptuniy0102030405060708090100110120130140150160170180190200210220230240pmAtom RadiusiKovalentlik RadiusiMetallic RadiusVan der Waals radius

Chemical Property

energiya
proton affinity
electron affinity
ionization energy
ionization energy of Np (Neptuniy)
Solishtirma qaynash issiqligi
336 kJ/mol
solishtirma erish issiqligi
9,6 kJ/mol
standard enthalpy of formation
464,8 kJ/mol
Elektron
Ion asboblar2, 8, 18, 32, 22, 9, 2
Bohr model: Np (Neptuniy)
valence electron2
Lewis structure: Np (Neptuniy)
electron configuration[Rn] 5f4 6d1 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f4 6d1 7s2
Enhanced Bohr model of Np (Neptuniy)
Orbital Diagram of Np (Neptuniy)
Oksidlanish darajasi2, 3, 4, 5, 6, 7
Elektrmanfiylik
1.3
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
917,15 K
critical pressure
critical temperature
triple point
appearance
Rang
Silver
appearancesilvery metallic
refractive index
thermodynamic material property
Thermal Conductivity
Issiqlikdan kengayish
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
0,83 MS/m
electrical resistivity
0,0000012 m Ω
superconductivity
Magnetizm
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Kyuri nuqtasi
Néel temperature
Tuzilma
Crystal StructureSimple Orthorhombic (ORC)
Kristall panjara davri
4,72 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Qattiqlik
bulk modulus
shear modulus
Yung moduli
Poisson's ratio
Tovush tezligi
klassifikatsiya
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number37
Mendeleev Number22
Pettifor Number44
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
151 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
180
Neutron Mass Absorption
Atom kvant sonlari6L11/2
space group62 (Pnma)

Isotopes of Neptunium

Stable Isotopes0
Unstable Isotopes27
Natural Isotopes0

219Np

mass number219
neutron number126
Nisbiy atom massa
219,031601865 ± 0,000098732 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
570 ± 450 us
spin9/2
nuclear quadrupole moment
time of discovery or invention2015
parity-

decay modeintensity
α (α emission)100%

220Np

mass number220
neutron number127
Nisbiy atom massa
220,03271628 ± 0,000032977 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
29 ± 11 ns
spin1
nuclear quadrupole moment
time of discovery or invention2019
parity-

decay modeintensity
α (α emission)100%

221Np

mass number221
neutron number128
Nisbiy atom massa
221,03211 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
α (α emission)

222Np

mass number222
neutron number129
Nisbiy atom massa
222,033574706 ± 0,000040849 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
480 ± 190 ns
spin1
nuclear quadrupole moment
time of discovery or invention2020
parity-

decay modeintensity
α (α emission)100%

223Np

mass number223
neutron number130
Nisbiy atom massa
223,03291334 ± 0,000088956 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,5 ± 0,8 us
spin9/2
nuclear quadrupole moment
time of discovery or invention2017
parity-

decay modeintensity
α (α emission)100%

224Np

mass number224
neutron number131
Nisbiy atom massa
224,03438803 ± 0,000031052 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
48 ± 19 us
spin2
nuclear quadrupole moment
time of discovery or invention2018
parity-

decay modeintensity
α (α emission)100%

225Np

mass number225
neutron number132
Nisbiy atom massa
225,033943422 ± 0,000098355 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
6,5 ± 3,5 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1994
parity-

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

226Np

mass number226
neutron number133
Nisbiy atom massa
226,035230364 ± 0,000109568 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
35 ± 10 ms
spin
nuclear quadrupole moment
time of discovery or invention1990
parity

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

227Np

mass number227
neutron number134
Nisbiy atom massa
227,034975012 ± 0,000082651 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
510 ± 60 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention1990
parity+

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

228Np

mass number228
neutron number135
Nisbiy atom massa
228,036313 ± 0,000108 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
61,4 ± 1,4 s
spin4
nuclear quadrupole moment
time of discovery or invention1994
parity+

decay modeintensity
ϵ (electron capture)59%
α (α emission)41%
β+ SF (β+-delayed fission)0.012%

229Np

mass number229
neutron number136
Nisbiy atom massa
229,036287269 ± 0,000108618 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4 ± 0,18 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1968
parity+

decay modeintensity
α (α emission)68%
β+ (β+ decay; β+ = ϵ + e+)

230Np

mass number230
neutron number137
Nisbiy atom massa
230,03782806 ± 0,000059051 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4,6 ± 0,3 m
spin4
nuclear quadrupole moment
time of discovery or invention1968
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)97%
α (α emission)3%

231Np

mass number231
neutron number138
Nisbiy atom massa
231,038243598 ± 0,000054916 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
48,8 ± 0,2 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98%
α (α emission)2%

232Np

mass number232
neutron number139
Nisbiy atom massa
232,040107 ± 0,000107 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
14,7 ± 0,3 m
spin5
nuclear quadrupole moment
time of discovery or invention1950
parity-

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

233Np

mass number233
neutron number140
Nisbiy atom massa
233,040739421 ± 0,000054729 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
36,2 ± 0,1 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.0007%

234Np

mass number234
neutron number141
Nisbiy atom massa
234,042893245 ± 0,000009014 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4,4 ± 0,1 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

235Np

mass number235
neutron number142
Nisbiy atom massa
235,044061518 ± 0,00000149 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
396,1 ± 1,2 d
spin5/2
nuclear quadrupole moment
time of discovery or invention1949
parity+

decay modeintensity
ϵ (electron capture)99.9974%
α (α emission)0.0026%

236Np

mass number236
neutron number143
Nisbiy atom massa
236,046568296 ± 0,000054129 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
153 ± 5 ky
spin6
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
ϵ (electron capture)86.3%
β (β decay)13.5%
α (α emission)0.16%

237Np

mass number237
neutron number144
Nisbiy atom massa
237,04817164 ± 0,000001201 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,144 ± 0,007 My
spin5/2
nuclear quadrupole moment
3,886 ± 0,006
time of discovery or invention1948
parity+

decay modeintensity
α (α emission)100%
SF (spontaneous fission)2%
30Mg4%

238Np

mass number238
neutron number145
Nisbiy atom massa
238,050944603 ± 0,00000122 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,099 ± 0,002 d
spin2
nuclear quadrupole moment
time of discovery or invention1949
parity+

decay modeintensity
β (β decay)100%

239Np

mass number239
neutron number146
Nisbiy atom massa
239,052937538 ± 0,000001406 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,356 ± 0,003 d
spin5/2
nuclear quadrupole moment
time of discovery or invention1940
parity+

decay modeintensity
β (β decay)100%
α (α emission)

240Np

mass number240
neutron number147
Nisbiy atom massa
240,056163778 ± 0,000018284 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
61,9 ± 0,2 m
spin5
nuclear quadrupole moment
time of discovery or invention1953
parity+

decay modeintensity
β (β decay)100%

241Np

mass number241
neutron number148
Nisbiy atom massa
241,058309671 ± 0,00010736 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
13,9 ± 0,2 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1959
parity+

decay modeintensity
β (β decay)100%
α (α emission)

242Np

mass number242
neutron number149
Nisbiy atom massa
242,061639548 ± 0,000214712 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,2 ± 0,2 m
spin1
nuclear quadrupole moment
time of discovery or invention1979
parity+

decay modeintensity
β (β decay)100%

243Np

mass number243
neutron number150
Nisbiy atom massa
243,064204 ± 0,000034 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,85 ± 0,15 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1979
parity+

decay modeintensity
β (β decay)100%

244Np

mass number244
neutron number151
Nisbiy atom massa
244,067891 ± 0,000107 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,29 ± 0,16 m
spin7
nuclear quadrupole moment
time of discovery or invention1987
parity-

decay modeintensity
β (β decay)100%

245Np

mass number245
neutron number152
Nisbiy atom massa
245,070693 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin5/2
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
β (β decay)
Neptunium2

tarix

discoverer or inventorE.M. McMillan, P.H. Abelson
location of discoveryUnited States
time of discovery or invention1940
EtimologiyaNamed for the planet Neptune.
pronunciationnep-TOO-ni-em (inglizcha)

source

Abundance
Abundance in Earth's crust
natural abundance (Okean)
natural abundance (Inson tanasi)
0 %
natural abundance (Meteoroid)
0 %
natural abundance (Quyosh)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants