Prometij

Prometij (Pm)

chemical element with the atomic number of 61
Atomski broj61
Relativna atomska masa144.91276
Maseni broj126
Skupina
Perioda6
Blokf
proton61 p+
neutron65 n0
elektron61 e-
Animated Bohrov model atoma of Pm (Prometij)

Physical Property

Atomski Radijus
185 pm
Molni volumen
Kovalentni Radijus
173 pm
Metallic Radius
Ionski radijus
97 pm
Crystal Radius
111 pm
Van der Waals radius
238 pm
gustoća
7,26 g/cm³
Atomic Radii Of The Elements: Prometij0102030405060708090100110120130140150160170180190200210220230240pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
ionization energy of Pm (Prometij)
Toplina isparivanja
toplina taljenja
standard enthalpy of formation
elektron
Elektronska ljuska2, 8, 18, 23, 8, 2
Bohrov model atoma: Pm (Prometij)
valence electron2
Lewis structure: Pm (Prometij)
electron configuration[Xe] 4f5 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f5 6s2
Enhanced Bohrov model atoma of Pm (Prometij)
Orbital Diagram of Pm (Prometij)
Oksidacijski broj2, 3
Elektronegativnost
Electrophilicity Index
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
Talište
1.315,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearancemetallic
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
17,9 W/(m K)
Toplinsko istezanje
0,000011 1/K
molar heat capacity
Specifični toplinski kapacitet
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,3 MS/m
Električna otpornost i provodnost
0,00000075 m Ω
Supravodljivost
Magnetizam
type
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura ()
lattice constant
Lattice Angles
mechanical property
Tvrdoća
bulk modulus
33 GPa
shear modulus
18 GPa
Youngov modul elastičnosti
46 GPa
Poissonov omjer
0,28
brzina zvuka
classification
KategorijaLantanoidi, 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
Nuklearni udarni presjek
8.400
Neutron Mass Absorption
Kvantni brojevi6H5/2
space group ()

Isotopes of Promethium

Stabilni izotopi0
Nestabilni izotopi40
Natural Isotopes0

126Pm

Maseni broj126
neutron number65
Relativna atomska masa
125,957327 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost

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

127Pm

Maseni broj127
neutron number66
Relativna atomska masa
126,951358 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost+

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

128Pm

Maseni broj128
neutron number67
Relativna atomska masa
127,948234 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1 ± 0,3 s
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma1999
Parnost+

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

129Pm

Maseni broj129
neutron number68
Relativna atomska masa
128,942909 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,4 ± 0,9 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2004
Parnost+

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

130Pm

Maseni broj130
neutron number69
Relativna atomska masa
129,940451 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,6 ± 0,2 s
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost+

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

131Pm

Maseni broj131
neutron number70
Relativna atomska masa
130,935834 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,3 ± 0,8 s
spin11/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1998
Parnost-

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

132Pm

Maseni broj132
neutron number71
Relativna atomska masa
131,93384 ± 0,00016 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,2 ± 0,6 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

133Pm

Maseni broj133
neutron number72
Relativna atomska masa
132,929782 ± 0,000054 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,5 ± 2,1 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

134Pm

Maseni broj134
neutron number73
Relativna atomska masa
133,928326 ± 0,000045 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22 ± 1 s
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

135Pm

Maseni broj135
neutron number74
Relativna atomska masa
134,924785 ± 0,000089 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
49 ± 3 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1975
Parnost+

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

136Pm

Maseni broj136
neutron number75
Relativna atomska masa
135,923595949 ± 0,000074152 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
107 ± 6 s
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma1988
Parnost+

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

137Pm

Maseni broj137
neutron number76
Relativna atomska masa
136,920479519 ± 0,000014 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1975
Parnost-

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

138Pm

Maseni broj138
neutron number77
Relativna atomska masa
137,919576119 ± 0,000012456 Da
g-factor
1,0666666666667 ± 0,3
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,24 ± 0,05 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost-

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

139Pm

Maseni broj139
neutron number78
Relativna atomska masa
138,916799228 ± 0,000014587 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,15 ± 0,05 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1967
Parnost

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

140Pm

Maseni broj140
neutron number79
Relativna atomska masa
139,916035918 ± 0,000026001 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,2 ± 0,2 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1966
Parnost+

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

141Pm

Maseni broj141
neutron number80
Relativna atomska masa
140,913555081 ± 0,000015 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
20,9 ± 0,05 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1952
Parnost+

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

142Pm

Maseni broj142
neutron number81
Relativna atomska masa
141,912890982 ± 0,00002533 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
40,5 ± 0,5 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1959
Parnost+

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

143Pm

Maseni broj143
neutron number82
Relativna atomska masa
142,910938068 ± 0,00000316 Da
g-factor
1,52 ± 0,2
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
265 ± 7 d
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1952
Parnost+

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

144Pm

Maseni broj144
neutron number83
Relativna atomska masa
143,912596208 ± 0,000003126 Da
g-factor
0,338 ± 0,028
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
363 ± 14 d
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1952
Parnost-

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

145Pm

Maseni broj145
neutron number84
Relativna atomska masa
144,912755748 ± 0,000003011 Da
g-factor
1,52 ± 0,064
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,7 ± 0,4 y
spin5/2
nuclear quadrupole moment
0,23 ± 0,08
vrijeme otkrića ili izuma1951
Parnost+

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

146Pm

Maseni broj146
neutron number85
Relativna atomska masa
145,91470224 ± 0,000004589 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,53 ± 0,05 y
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost-

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

147Pm

Maseni broj147
neutron number86
Relativna atomska masa
146,915144944 ± 0,000001382 Da
g-factor
0,73714285714286 ± 0,02
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,6234 ± 0,0002 y
spin7/2
nuclear quadrupole moment
0,74 ± 0,2
vrijeme otkrića ili izuma1947
Parnost+

decay modeintensity
β (β decay)100%

148Pm

Maseni broj148
neutron number87
Relativna atomska masa
147,917481091 ± 0,000006108 Da
g-factor
2,1 ± 0,2
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,368 ± 0,007 d
spin1
nuclear quadrupole moment
0,2 ± 0,2
vrijeme otkrića ili izuma1947
Parnost-

decay modeintensity
β (β decay)100%

149Pm

Maseni broj149
neutron number88
Relativna atomska masa
148,918341507 ± 0,000002344 Da
g-factor
0,94285714285714 ± 0,14285714285714
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
53,08 ± 0,05 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1947
Parnost+

decay modeintensity
β (β decay)100%

150Pm

Maseni broj150
neutron number89
Relativna atomska masa
149,920990014 ± 0,000021504 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,698 ± 0,015 h
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1952
Parnost-

decay modeintensity
β (β decay)100%

151Pm

Maseni broj151
neutron number90
Relativna atomska masa
150,921216613 ± 0,000004949 Da
g-factor
0,72 ± 0,08
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
28,4 ± 0,04 h
spin5/2
nuclear quadrupole moment
2,2 ± 0,9
vrijeme otkrića ili izuma1952
Parnost+

decay modeintensity
β (β decay)100%

152Pm

Maseni broj152
neutron number91
Relativna atomska masa
151,923505185 ± 0,000027809 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,12 ± 0,08 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1958
Parnost+

decay modeintensity
β (β decay)100%

153Pm

Maseni broj153
neutron number92
Relativna atomska masa
152,924156252 ± 0,000009729 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,25 ± 0,02 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1962
Parnost-

decay modeintensity
β (β decay)100%

154Pm

Maseni broj154
neutron number93
Relativna atomska masa
153,926712791 ± 0,000026861 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,68 ± 0,07 m
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma1958
Parnost+

decay modeintensity
β (β decay)100%

155Pm

Maseni broj155
neutron number94
Relativna atomska masa
154,928136951 ± 0,000005065 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
41,5 ± 0,2 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1982
Parnost-

decay modeintensity
β (β decay)100%

156Pm

Maseni broj156
neutron number95
Relativna atomska masa
155,931114059 ± 0,000001275 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
27,4 ± 0,5 s
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost+

decay modeintensity
β (β decay)100%

157Pm

Maseni broj157
neutron number96
Relativna atomska masa
156,933121298 ± 0,000007521 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,56 ± 0,1 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1987
Parnost-

decay modeintensity
β (β decay)100%

158Pm

Maseni broj158
neutron number97
Relativna atomska masa
157,936546948 ± 0,000000953 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,8 ± 0,5 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1987
Parnost+

decay modeintensity
β (β decay)100%

159Pm

Maseni broj159
neutron number98
Relativna atomska masa
158,939286409 ± 0,000010777 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,49 ± 0,13 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1998
Parnost-

decay modeintensity
β (β decay)100%

160Pm

Maseni broj160
neutron number99
Relativna atomska masa
159,943215272 ± 0,0000022 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
725 ± 57 ms
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

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

161Pm

Maseni broj161
neutron number100
Relativna atomska masa
160,946229837 ± 0,0000097 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,05 ± 0,15 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

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

162Pm

Maseni broj162
neutron number101
Relativna atomska masa
161,950574 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
630 ± 180 ms
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost+

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

163Pm

Maseni broj163
neutron number102
Relativna atomska masa
162,953881 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
255 ± 25 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2012
Parnost-

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

164Pm

Maseni broj164
neutron number103
Relativna atomska masa
163,958819 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost-

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

165Pm

Maseni broj165
neutron number104
Relativna atomska masa
164,96278 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost-

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

povijest

otkrio/izumioJ.A. Marinsky, L.E. Glendenin, C.D. Coryell
location of discoveryUnited States
vrijeme otkrića ili izuma1945
EtimologijaNamed for the Greek god, Prometheus.
pronunciationpro-MEE-thi-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
natural abundance (tijelo)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Sunce)
0 %
Zastupljenost u svemiru
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