Promet, ²Promethiumi

Promet, ²Promethiumi (Pm)

chemical element with the atomic number of 61
Atomic Number61
Atomic Weight144.91276
Numri i masës126
Group
Period6
Blockf
protoni61 p+
neutroni65 n0
elektroni61 e-
Animated Bohr model of Pm (Promet, ²Promethiumi)

Tipar Fizik

Atomic Radius
185 pm
molar volume
covalent radius
173 pm
Metallic Radius
ionic radius
97 pm
Crystal Radius
111 pm
Van der Waals radius
238 pm
density
7,26 g/cm³
Atomic Radii Of The Elements: Promet, ²Promethiumi0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Pm (Promet, ²Promethiumi)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
electron shell2, 8, 18, 23, 8, 2
Bohr model: Pm (Promet, ²Promethiumi)
valence electron2
Lewis structure: Pm (Promet, ²Promethiumi)
konfigurimi i elektronit[Xe] 4f5 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f5 6s2
Enhanced Bohr model of Pm (Promet, ²Promethiumi)
Orbital Diagram of Pm (Promet, ²Promethiumi)
oxidation number2, 3
Elektronegativiteti
Electrophilicity Index
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
Melting Point
1 315,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Silver
appearancemetallic
refractive index
thermodynamic material property
Thermal Conductivity
17,9 W/(m K)
thermal expansion
0,000011 1/K
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,3 MS/m
electrical resistivity
0,00000075 m Ω
Superpërcjellshmëria
Magnetizimi
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
33 GPa
shear modulus
18 GPa
Young's modulus
46 GPa
Poisson's ratio
0,28
Shpejtësia e zërit
klasifikim
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number28
Mendeleev Number21
Pettifor Number29
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
200 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
8 400
Neutron Mass Absorption
numër kuantik6H5/2
space group ()

Isotopes of Promethium

Stable Isotopes0
Unstable Isotopes40
Natural Isotopes0

126Pm

Numri i masës126
numri i neutroneve65
relative atomic mass
125,957327 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

127Pm

Numri i masës127
numri i neutroneve66
relative atomic mass
126,951358 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)
p (proton emission)

128Pm

Numri i masës128
numri i neutroneve67
relative atomic mass
127,948234 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1 ± 0,3 s
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1999
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)
p (proton emission)0%

129Pm

Numri i masës129
numri i neutroneve68
relative atomic mass
128,942909 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,4 ± 0,9 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2004
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)
p (proton emission)

130Pm

Numri i masës130
numri i neutroneve69
relative atomic mass
129,940451 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,6 ± 0,2 s
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)

131Pm

Numri i masës131
numri i neutroneve70
relative atomic mass
130,935834 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,3 ± 0,8 s
Spini11/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1998
parity-

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

132Pm

Numri i masës132
numri i neutroneve71
relative atomic mass
131,93384 ± 0,00016 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,2 ± 0,6 s
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1977
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)5%

133Pm

Numri i masës133
numri i neutroneve72
relative atomic mass
132,929782 ± 0,000054 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
13,5 ± 2,1 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1977
parity+

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

134Pm

Numri i masës134
numri i neutroneve73
relative atomic mass
133,928326 ± 0,000045 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22 ± 1 s
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1977
parity+

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

135Pm

Numri i masës135
numri i neutroneve74
relative atomic mass
134,924785 ± 0,000089 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
49 ± 3 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1975
parity+

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

136Pm

Numri i masës136
numri i neutroneve75
relative atomic mass
135,923595949 ± 0,000074152 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
107 ± 6 s
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1988
parity+

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

137Pm

Numri i masës137
numri i neutroneve76
relative atomic mass
136,920479519 ± 0,000014 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1975
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)

138Pm

Numri i masës138
numri i neutroneve77
relative atomic mass
137,919576119 ± 0,000012456 Da
g-factor
1,0666666666667 ± 0,3
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,24 ± 0,05 m
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1973
parity-

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

139Pm

Numri i masës139
numri i neutroneve78
relative atomic mass
138,916799228 ± 0,000014587 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,15 ± 0,05 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity

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

140Pm

Numri i masës140
numri i neutroneve79
relative atomic mass
139,916035918 ± 0,000026001 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9,2 ± 0,2 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1966
parity+

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

141Pm

Numri i masës141
numri i neutroneve80
relative atomic mass
140,913555081 ± 0,000015 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
20,9 ± 0,05 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity+

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

142Pm

Numri i masës142
numri i neutroneve81
relative atomic mass
141,912890982 ± 0,00002533 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
40,5 ± 0,5 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1959
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)77.1%
ϵ (electron capture)22.9%

143Pm

Numri i masës143
numri i neutroneve82
relative atomic mass
142,910938068 ± 0,00000316 Da
g-factor
1,52 ± 0,2
natural abundance
Radioaktivitet☢️ radioactive element
half-life
265 ± 7 d
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity+

decay modeintensitet
ϵ (electron capture)100%
e+ (positron emission)5.7%

144Pm

Numri i masës144
numri i neutroneve83
relative atomic mass
143,912596208 ± 0,000003126 Da
g-factor
0,338 ± 0,028
natural abundance
Radioaktivitet☢️ radioactive element
half-life
363 ± 14 d
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity-

decay modeintensitet
ϵ (electron capture)100%
e+ (positron emission)8%

145Pm

Numri i masës145
numri i neutroneve84
relative atomic mass
144,912755748 ± 0,000003011 Da
g-factor
1,52 ± 0,064
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,7 ± 0,4 y
Spini5/2
nuclear quadrupole moment
0,23 ± 0,08
koha e zbulimit apo shpikjes1951
parity+

decay modeintensitet
ϵ (electron capture)100%
α (α emission)2.8%

146Pm

Numri i masës146
numri i neutroneve85
relative atomic mass
145,91470224 ± 0,000004589 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,53 ± 0,05 y
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1960
parity-

decay modeintensitet
ϵ (electron capture)66%
β (β decay)34%

147Pm

Numri i masës147
numri i neutroneve86
relative atomic mass
146,915144944 ± 0,000001382 Da
g-factor
0,73714285714286 ± 0,02
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,6234 ± 0,0002 y
Spini7/2
nuclear quadrupole moment
0,74 ± 0,2
koha e zbulimit apo shpikjes1947
parity+

decay modeintensitet
β (β decay)100%

148Pm

Numri i masës148
numri i neutroneve87
relative atomic mass
147,917481091 ± 0,000006108 Da
g-factor
2,1 ± 0,2
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,368 ± 0,007 d
Spini1
nuclear quadrupole moment
0,2 ± 0,2
koha e zbulimit apo shpikjes1947
parity-

decay modeintensitet
β (β decay)100%

149Pm

Numri i masës149
numri i neutroneve88
relative atomic mass
148,918341507 ± 0,000002344 Da
g-factor
0,94285714285714 ± 0,14285714285714
natural abundance
Radioaktivitet☢️ radioactive element
half-life
53,08 ± 0,05 h
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1947
parity+

decay modeintensitet
β (β decay)100%

150Pm

Numri i masës150
numri i neutroneve89
relative atomic mass
149,920990014 ± 0,000021504 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,698 ± 0,015 h
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1952
parity-

decay modeintensitet
β (β decay)100%

151Pm

Numri i masës151
numri i neutroneve90
relative atomic mass
150,921216613 ± 0,000004949 Da
g-factor
0,72 ± 0,08
natural abundance
Radioaktivitet☢️ radioactive element
half-life
28,4 ± 0,04 h
Spini5/2
nuclear quadrupole moment
2,2 ± 0,9
koha e zbulimit apo shpikjes1952
parity+

decay modeintensitet
β (β decay)100%

152Pm

Numri i masës152
numri i neutroneve91
relative atomic mass
151,923505185 ± 0,000027809 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,12 ± 0,08 m
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1958
parity+

decay modeintensitet
β (β decay)100%

153Pm

Numri i masës153
numri i neutroneve92
relative atomic mass
152,924156252 ± 0,000009729 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,25 ± 0,02 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1962
parity-

decay modeintensitet
β (β decay)100%

154Pm

Numri i masës154
numri i neutroneve93
relative atomic mass
153,926712791 ± 0,000026861 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,68 ± 0,07 m
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1958
parity+

decay modeintensitet
β (β decay)100%

155Pm

Numri i masës155
numri i neutroneve94
relative atomic mass
154,928136951 ± 0,000005065 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
41,5 ± 0,2 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1982
parity-

decay modeintensitet
β (β decay)100%

156Pm

Numri i masës156
numri i neutroneve95
relative atomic mass
155,931114059 ± 0,000001275 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
27,4 ± 0,5 s
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1986
parity+

decay modeintensitet
β (β decay)100%

157Pm

Numri i masës157
numri i neutroneve96
relative atomic mass
156,933121298 ± 0,000007521 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,56 ± 0,1 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity-

decay modeintensitet
β (β decay)100%

158Pm

Numri i masës158
numri i neutroneve97
relative atomic mass
157,936546948 ± 0,000000953 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,8 ± 0,5 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1987
parity+

decay modeintensitet
β (β decay)100%

159Pm

Numri i masës159
numri i neutroneve98
relative atomic mass
158,939286409 ± 0,000010777 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,49 ± 0,13 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1998
parity-

decay modeintensitet
β (β decay)100%

160Pm

Numri i masës160
numri i neutroneve99
relative atomic mass
159,943215272 ± 0,0000022 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
725 ± 57 ms
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)

161Pm

Numri i masës161
numri i neutroneve100
relative atomic mass
160,946229837 ± 0,0000097 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,05 ± 0,15 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)

162Pm

Numri i masës162
numri i neutroneve101
relative atomic mass
161,950574 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
630 ± 180 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity+

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)

163Pm

Numri i masës163
numri i neutroneve102
relative atomic mass
162,953881 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
255 ± 25 ms
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity-

decay modeintensitet
β (β decay)100%
β n (β-delayed neutron emission)

164Pm

Numri i masës164
numri i neutroneve103
relative atomic mass
163,958819 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity-

decay modeintensitet
β (β decay)
β n (β-delayed neutron emission)

165Pm

Numri i masës165
numri i neutroneve104
relative atomic mass
164,96278 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity-

decay modeintensitet
β (β decay)
β n (β-delayed neutron emission)
Promethium
Promethium spectrum visible

historia

zbuluesJ.A. Marinsky, L.E. Glendenin, C.D. Coryell
vendndodhja e zbulimitUnited States
koha e zbulimit apo shpikjes1945
EtimologjiaNamed for the Greek god, Prometheus.
pronunciationpro-MEE-thi-em (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
natural abundance (Trupi i njeriut)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Diell)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants

1s1.2042
2p4.2562
2s16.0296
3d13.9018
3p19.4461
3s19.8154
4d33.26
4f37.866
4p30.3768
4s29.3604
5p44.586
5s42.1645
6s51.6046