Praseodimij

Praseodimij (Pr)

element with the atomic number of 59
Atomski broj59
Relativna atomska masa140.90766
Maseni broj141
Skupina
Perioda6
Blokf
proton59 p+
neutron82 n0
elektron59 e-
Animated Bohrov model atoma of Pr (Praseodimij)

Physical Property

Atomski Radijus
185 pm
Molni volumen
Kovalentni Radijus
176 pm
Metallic Radius
Ionski radijus
99 pm
Crystal Radius
113 pm
Van der Waals radius
240 pm
gustoća
6,773 g/cm³
Atomic Radii Of The Elements: Praseodimij0102030405060708090100110120130140150160170180190200210220230240pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
ionization energy of Pr (Praseodimij)
Toplina isparivanja
331 kJ/mol
toplina taljenja
11,3 kJ/mol
standard enthalpy of formation
356,9 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 21, 8, 2
Bohrov model atoma: Pr (Praseodimij)
valence electron2
Lewis structure: Pr (Praseodimij)
electron configuration[Xe] 4f3 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f3 6s2
Enhanced Bohrov model atoma of Pr (Praseodimij)
Orbital Diagram of Pr (Praseodimij)
Oksidacijski broj0, 1, 2, 3, 4, 5
Elektronegativnost
1.13
Electrophilicity Index
1,1474513688760803 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
3.793,15 K
Talište
1.204,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearancegrayish white
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
12,5 W/(m K)
Toplinsko istezanje
0,0000067 1/K
molar heat capacity
Specifični toplinski kapacitet
0,193 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,4 MS/m
Električna otpornost i provodnost
0,0000007 m Ω
Supravodljivost
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,000000423 m³/Kg
Magnetna susceptibilnost (Molar)
0,000000059604 m³/mol
Magnetna susceptibilnost (Volume)
0,0028087
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaJednostavna heksagonska (HEX)
lattice constant
3,67 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
bulk modulus
29 GPa
shear modulus
15 GPa
Youngov modul elastičnosti
37 GPa
Poissonov omjer
0,28
brzina zvuka
2.280 m/s
classification
KategorijaLantanoidi, Lanthanides
CAS Group
IUPAC Group
Glawe Number30
Mendeleev Number17
Pettifor Number31
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
216 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek
11,4
Neutron Mass Absorption
0,0029
Kvantni brojevi4I9/2
space group194 (P63/mmc)

Isotopes of Praseodymium

Stabilni izotopi1
Nestabilni izotopi40
Natural Isotopes1

121Pr

Maseni broj121
neutron number62
Relativna atomska masa
120,955393 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12 ± 5 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2005
Parnost

decay modeintensity
p (proton emission)100%

122Pr

Maseni broj122
neutron number63
Relativna atomska masa
121,951927 ± 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)

123Pr

Maseni broj123
neutron number64
Relativna atomska masa
122,946076 ± 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+)
β+ p (β+-delayed proton emission)

124Pr

Maseni broj124
neutron number65
Relativna atomska masa
123,94294 ± 0,00043 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,2 ± 0,2 s
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost

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

125Pr

Maseni broj125
neutron number66
Relativna atomska masa
124,937659 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,3 ± 0,7 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2002
Parnost+

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

126Pr

Maseni broj126
neutron number67
Relativna atomska masa
125,93524 ± 0,00021 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,12 ± 0,18 s
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma1983
Parnost

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

127Pr

Maseni broj127
neutron number68
Relativna atomska masa
126,93071 ± 0,00021 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,2 ± 0,3 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1995
Parnost+

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

128Pr

Maseni broj128
neutron number69
Relativna atomska masa
127,928791 ± 0,000032 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,85 ± 0,09 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1985
Parnost+

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

129Pr

Maseni broj129
neutron number70
Relativna atomska masa
128,925095 ± 0,000032 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
30 ± 4 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

130Pr

Maseni broj130
neutron number71
Relativna atomska masa
129,92359 ± 0,000069 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
40 ± 0,4 s
spin6
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost

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

131Pr

Maseni broj131
neutron number72
Relativna atomska masa
130,92023496 ± 0,000050451 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,5 ± 0,03 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

132Pr

Maseni broj132
neutron number73
Relativna atomska masa
131,91924 ± 0,000031 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,49 ± 0,11 m
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1974
Parnost+

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

133Pr

Maseni broj133
neutron number74
Relativna atomska masa
132,916330558 ± 0,000013416 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,5 ± 0,3 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost+

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

134Pr

Maseni broj134
neutron number75
Relativna atomska masa
133,915696729 ± 0,00002181 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17 ± 2 m
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1967
Parnost-

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

135Pr

Maseni broj135
neutron number76
Relativna atomska masa
134,913111772 ± 0,000012686 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
24 ± 1 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1954
Parnost+

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

136Pr

Maseni broj136
neutron number77
Relativna atomska masa
135,91267747 ± 0,000012296 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,1 ± 0,1 m
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost+

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

137Pr

Maseni broj137
neutron number78
Relativna atomska masa
136,910679183 ± 0,000008733 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,28 ± 0,03 h
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1958
Parnost+

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

138Pr

Maseni broj138
neutron number79
Relativna atomska masa
137,910757495 ± 0,000010748 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,45 ± 0,05 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1951
Parnost+

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

139Pr

Maseni broj139
neutron number80
Relativna atomska masa
138,9089327 ± 0,000003917 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,41 ± 0,04 h
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1951
Parnost+

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

140Pr

Maseni broj140
neutron number81
Relativna atomska masa
139,9090856 ± 0,000006593 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,39 ± 0,01 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1938
Parnost+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)48.7%
ϵ (electron capture)51.3%

141Pr

Maseni broj141
neutron number82
Relativna atomska masa
140,907659604 ± 0,000001607 Da
g-factor
1,7064 ± 0,0012
natural abundance
100
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
−0,077 ± 0,006
vrijeme otkrića ili izuma1924
Parnost+

142Pr

Maseni broj142
neutron number83
Relativna atomska masa
141,91005164 ± 0,000001607 Da
g-factor
0,117 ± 0,0005
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,12 ± 0,04 h
spin2
nuclear quadrupole moment
0,039 ± 0,017
vrijeme otkrića ili izuma1935
Parnost-

decay modeintensity
β (β decay)100%
ϵ (electron capture)0.0164%

143Pr

Maseni broj143
neutron number84
Relativna atomska masa
142,910822624 ± 0,000001949 Da
g-factor
0,77 ± 0,0014285714285714
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,57 ± 0,02 d
spin7/2
nuclear quadrupole moment
0,77 ± 0,16
vrijeme otkrića ili izuma1948
Parnost+

decay modeintensity
β (β decay)100%

144Pr

Maseni broj144
neutron number85
Relativna atomska masa
143,913310682 ± 0,000002907 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,28 ± 0,05 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1951
Parnost-

decay modeintensity
β (β decay)100%

145Pr

Maseni broj145
neutron number86
Relativna atomska masa
144,914517987 ± 0,000007674 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,984 ± 0,01 h
spin7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1954
Parnost+

decay modeintensity
β (β decay)100%

146Pr

Maseni broj146
neutron number87
Relativna atomska masa
145,91768763 ± 0,000036882 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
24,09 ± 0,1 m
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1953
Parnost-

decay modeintensity
β (β decay)100%

147Pr

Maseni broj147
neutron number88
Relativna atomska masa
146,919007438 ± 0,00001702 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,39 ± 0,04 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1964
Parnost+

decay modeintensity
β (β decay)100%

148Pr

Maseni broj148
neutron number89
Relativna atomska masa
147,922129992 ± 0,000016147 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,29 ± 0,02 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1964
Parnost-

decay modeintensity
β (β decay)100%

149Pr

Maseni broj149
neutron number90
Relativna atomska masa
148,9237361 ± 0,0000106 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,26 ± 0,07 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1964
Parnost+

decay modeintensity
β (β decay)100%

150Pr

Maseni broj150
neutron number91
Relativna atomska masa
149,926676391 ± 0,000009677 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,19 ± 0,16 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

decay modeintensity
β (β decay)100%

151Pr

Maseni broj151
neutron number92
Relativna atomska masa
150,928309066 ± 0,000012506 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
18,9 ± 0,07 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1990
Parnost-

decay modeintensity
β (β decay)100%

152Pr

Maseni broj152
neutron number93
Relativna atomska masa
151,9315529 ± 0,0000199 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,57 ± 0,11 s
spin4
nuclear quadrupole moment
vrijeme otkrića ili izuma1983
Parnost+

decay modeintensity
β (β decay)100%

153Pr

Maseni broj153
neutron number94
Relativna atomska masa
152,933903511 ± 0,000012755 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,28 ± 0,11 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1987
Parnost-

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

154Pr

Maseni broj154
neutron number95
Relativna atomska masa
153,937885165 ± 0,00010736 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,3 ± 0,09 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1988
Parnost+

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

155Pr

Maseni broj155
neutron number96
Relativna atomska masa
154,940509193 ± 0,000018462 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,47 ± 0,3 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1992
Parnost-

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

156Pr

Maseni broj156
neutron number97
Relativna atomska masa
155,9447669 ± 0,0000011 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
444 ± 6 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1992
Parnost+

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

157Pr

Maseni broj157
neutron number98
Relativna atomska masa
156,9480031 ± 0,0000034 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
307 ± 21 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2017
Parnost-

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

158Pr

Maseni broj158
neutron number99
Relativna atomska masa
157,952603 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
181 ± 14 ms
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma2016
Parnost-

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

159Pr

Maseni broj159
neutron number100
Relativna atomska masa
158,956232 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
134 ± 43 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2017
Parnost-

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

160Pr

Maseni broj160
neutron number101
Relativna atomska masa
159,961138 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
170 ± 140 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma2017
Parnost+

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

161Pr

Maseni broj161
neutron number102
Relativna atomska masa
160,965121 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2018
Parnost-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Praseodym 1

povijest

otkrio/izumioC.F. Aver von Welsbach
location of discoveryAustria
vrijeme otkrića ili izuma1885
EtimologijaGreek: prasios and didymos (green twin); from its green salts.
pronunciationpra-si-eh-DIM-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
9,2 mg/kg
natural abundance (ocean)
0,00000064 mg/L
natural abundance (tijelo)
natural abundance (meteoroid)
0,0000098 %
natural abundance (Sunce)
0,0000001 %
Zastupljenost u svemiru
0,0000002 %

Nuclear Screening Constants

1s1.1694
2p4.2306
2s15.538
3d13.8476
3p19.1756
3s19.499
4d32.7028
4f37.8992
4p29.9432
4s28.6668
5p43.7165
5s41.387
6s51.2534