Praseodimioa

Praseodimioa (Pr)

Zenbaki atomikoa 59 duen elementu kimikoa. Lur arraroen multzoko metala da
Atomic Number59
Atomic Weight140.90766
masa-zenbaki141
Group
Period6
Blockf
protoi59 p+
neutroi82 n0
elektroi59 e-
Animated Bohrren eredu atomikoa of Pr (Praseodimioa)

Propietate Fisiko

Erradio Atomiko
185 pm
bolumen molar
Erradio Kobalente
176 pm
Metallic Radius
Erradio ioniko
99 pm
Crystal Radius
113 pm
Van der Waalsen erradio
240 pm
dentsitatea
6,773 g/cm³
Atomic Radii Of The Elements: Praseodimioa0102030405060708090100110120130140150160170180190200210220230240pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
ionizazio energia
ionizazio energia of Pr (Praseodimioa)
Irakite-entalpia
331 kJ/mol
urtze-entalpia
11,3 kJ/mol
formazio entalpia estandarra
356,9 kJ/mol
elektroi
elektroi geruza2, 8, 18, 21, 8, 2
Bohrren eredu atomikoa: Pr (Praseodimioa)
balentzia-elektroi2
Lewis egitura: Pr (Praseodimioa)
electron configuration[Xe] 4f3 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f3 6s2
Enhanced Bohrren eredu atomikoa of Pr (Praseodimioa)
Orbital Diagram of Pr (Praseodimioa)
Oxidazio-egoera0, 1, 2, 3, 4, 5
Elektronegatibotasun
1.13
Electrophilicity Index
1,1474513688760803 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
3.793,15 K
Melting Point
1.204,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
appearancegrayish white
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
12,5 W/(m K)
Bero-dilatazio
0,0000067 1/K
molar heat capacity
Specific Heat Capacity
0,193 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
1,4 MS/m
Erresistibitate elektriko
0,0000007 m Ω
Supereroankortasun
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,000000423 m³/Kg
suszeptibilitate magnetiko (Molar)
0,000000059604 m³/mol
suszeptibilitate magnetiko (Volume)
0,0028087
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,67 Å
Lattice Anglesπ/2, π/2, 2 π/3
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
29 GPa
Zizaila modulua
15 GPa
Youngen modulu
37 GPa
Poissonen modulu
0,28
Soinuaren lastertasun
2.280 m/s
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number30
Mendeleev Number17
Pettifor Number31
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

beste batzuk

Gas Basicity
polarizability
216 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
11,4
Neutron Mass Absorption
0,0029
zenbaki kuantiko4I9/2
talde espazial194 (P63/mmc)

Isotopes of Praseodymium

Stable Isotopes1
Unstable Isotopes40
Natural Isotopes1

121Pr

masa-zenbaki121
neutron number62
atomo-masa erlatibo
120,955393 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12 ± 5 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data2005
parity

decay modeintensity
p (proton emission)100%

122Pr

masa-zenbaki122
neutron number63
atomo-masa erlatibo
121,951927 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin
nuclear quadrupole moment
aurkikuntza-data
parity

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

123Pr

masa-zenbaki123
neutron number64
atomo-masa erlatibo
122,946076 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data
parity+

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

124Pr

masa-zenbaki124
neutron number65
atomo-masa erlatibo
123,94294 ± 0,00043 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,2 ± 0,2 s
spin
nuclear quadrupole moment
aurkikuntza-data1986
parity

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

125Pr

masa-zenbaki125
neutron number66
atomo-masa erlatibo
124,937659 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,3 ± 0,7 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data2002
parity+

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

126Pr

masa-zenbaki126
neutron number67
atomo-masa erlatibo
125,93524 ± 0,00021 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,12 ± 0,18 s
spin4
nuclear quadrupole moment
aurkikuntza-data1983
parity

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

127Pr

masa-zenbaki127
neutron number68
atomo-masa erlatibo
126,93071 ± 0,00021 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,2 ± 0,3 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1995
parity+

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

128Pr

masa-zenbaki128
neutron number69
atomo-masa erlatibo
127,928791 ± 0,000032 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,85 ± 0,09 s
spin3
nuclear quadrupole moment
aurkikuntza-data1985
parity+

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

129Pr

masa-zenbaki129
neutron number70
atomo-masa erlatibo
128,925095 ± 0,000032 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
30 ± 4 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1977
parity+

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

130Pr

masa-zenbaki130
neutron number71
atomo-masa erlatibo
129,92359 ± 0,000069 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
40 ± 0,4 s
spin6
nuclear quadrupole moment
aurkikuntza-data1977
parity

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

131Pr

masa-zenbaki131
neutron number72
atomo-masa erlatibo
130,92023496 ± 0,000050451 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,5 ± 0,03 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1977
parity+

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

132Pr

masa-zenbaki132
neutron number73
atomo-masa erlatibo
131,91924 ± 0,000031 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,49 ± 0,11 m
spin2
nuclear quadrupole moment
aurkikuntza-data1974
parity+

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

133Pr

masa-zenbaki133
neutron number74
atomo-masa erlatibo
132,916330558 ± 0,000013416 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
6,5 ± 0,3 m
spin5/2
nuclear quadrupole moment
aurkikuntza-data1970
parity+

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

134Pr

masa-zenbaki134
neutron number75
atomo-masa erlatibo
133,915696729 ± 0,00002181 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
17 ± 2 m
spin2
nuclear quadrupole moment
aurkikuntza-data1967
parity-

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

135Pr

masa-zenbaki135
neutron number76
atomo-masa erlatibo
134,913111772 ± 0,000012686 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
24 ± 1 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1954
parity+

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

136Pr

masa-zenbaki136
neutron number77
atomo-masa erlatibo
135,91267747 ± 0,000012296 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
13,1 ± 0,1 m
spin2
nuclear quadrupole moment
aurkikuntza-data1968
parity+

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

137Pr

masa-zenbaki137
neutron number78
atomo-masa erlatibo
136,910679183 ± 0,000008733 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,28 ± 0,03 h
spin5/2
nuclear quadrupole moment
aurkikuntza-data1958
parity+

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

138Pr

masa-zenbaki138
neutron number79
atomo-masa erlatibo
137,910757495 ± 0,000010748 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,45 ± 0,05 m
spin1
nuclear quadrupole moment
aurkikuntza-data1951
parity+

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

139Pr

masa-zenbaki139
neutron number80
atomo-masa erlatibo
138,9089327 ± 0,000003917 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,41 ± 0,04 h
spin5/2
nuclear quadrupole moment
aurkikuntza-data1951
parity+

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

140Pr

masa-zenbaki140
neutron number81
atomo-masa erlatibo
139,9090856 ± 0,000006593 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,39 ± 0,01 m
spin1
nuclear quadrupole moment
aurkikuntza-data1938
parity+

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

141Pr

masa-zenbaki141
neutron number82
atomo-masa erlatibo
140,907659604 ± 0,000001607 Da
g-factor
1,7064 ± 0,0012
natural abundance
100
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
−0,077 ± 0,006
aurkikuntza-data1924
parity+

142Pr

masa-zenbaki142
neutron number83
atomo-masa erlatibo
141,91005164 ± 0,000001607 Da
g-factor
0,117 ± 0,0005
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
19,12 ± 0,04 h
spin2
nuclear quadrupole moment
0,039 ± 0,017
aurkikuntza-data1935
parity-

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

143Pr

masa-zenbaki143
neutron number84
atomo-masa erlatibo
142,910822624 ± 0,000001949 Da
g-factor
0,77 ± 0,0014285714285714
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
13,57 ± 0,02 d
spin7/2
nuclear quadrupole moment
0,77 ± 0,16
aurkikuntza-data1948
parity+

decay modeintensity
β (β decay)100%

144Pr

masa-zenbaki144
neutron number85
atomo-masa erlatibo
143,913310682 ± 0,000002907 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
17,28 ± 0,05 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1951
parity-

decay modeintensity
β (β decay)100%

145Pr

masa-zenbaki145
neutron number86
atomo-masa erlatibo
144,914517987 ± 0,000007674 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,984 ± 0,01 h
spin7/2
nuclear quadrupole moment
aurkikuntza-data1954
parity+

decay modeintensity
β (β decay)100%

146Pr

masa-zenbaki146
neutron number87
atomo-masa erlatibo
145,91768763 ± 0,000036882 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
24,09 ± 0,1 m
spin2
nuclear quadrupole moment
aurkikuntza-data1953
parity-

decay modeintensity
β (β decay)100%

147Pr

masa-zenbaki147
neutron number88
atomo-masa erlatibo
146,919007438 ± 0,00001702 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
13,39 ± 0,04 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1964
parity+

decay modeintensity
β (β decay)100%

148Pr

masa-zenbaki148
neutron number89
atomo-masa erlatibo
147,922129992 ± 0,000016147 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,29 ± 0,02 m
spin1
nuclear quadrupole moment
aurkikuntza-data1964
parity-

decay modeintensity
β (β decay)100%

149Pr

masa-zenbaki149
neutron number90
atomo-masa erlatibo
148,9237361 ± 0,0000106 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,26 ± 0,07 m
spin5/2
nuclear quadrupole moment
aurkikuntza-data1964
parity+

decay modeintensity
β (β decay)100%

150Pr

masa-zenbaki150
neutron number91
atomo-masa erlatibo
149,926676391 ± 0,000009677 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
6,19 ± 0,16 s
spin1
nuclear quadrupole moment
aurkikuntza-data1970
parity-

decay modeintensity
β (β decay)100%

151Pr

masa-zenbaki151
neutron number92
atomo-masa erlatibo
150,928309066 ± 0,000012506 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
18,9 ± 0,07 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1990
parity-

decay modeintensity
β (β decay)100%

152Pr

masa-zenbaki152
neutron number93
atomo-masa erlatibo
151,9315529 ± 0,0000199 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,57 ± 0,11 s
spin4
nuclear quadrupole moment
aurkikuntza-data1983
parity+

decay modeintensity
β (β decay)100%

153Pr

masa-zenbaki153
neutron number94
atomo-masa erlatibo
152,933903511 ± 0,000012755 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,28 ± 0,11 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1987
parity-

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

154Pr

masa-zenbaki154
neutron number95
atomo-masa erlatibo
153,937885165 ± 0,00010736 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,3 ± 0,09 s
spin3
nuclear quadrupole moment
aurkikuntza-data1988
parity+

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

155Pr

masa-zenbaki155
neutron number96
atomo-masa erlatibo
154,940509193 ± 0,000018462 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,47 ± 0,3 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1992
parity-

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

156Pr

masa-zenbaki156
neutron number97
atomo-masa erlatibo
155,9447669 ± 0,0000011 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
444 ± 6 ms
spin1
nuclear quadrupole moment
aurkikuntza-data1992
parity+

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

157Pr

masa-zenbaki157
neutron number98
atomo-masa erlatibo
156,9480031 ± 0,0000034 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
307 ± 21 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data2017
parity-

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

158Pr

masa-zenbaki158
neutron number99
atomo-masa erlatibo
157,952603 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
181 ± 14 ms
spin5
nuclear quadrupole moment
aurkikuntza-data2016
parity-

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

159Pr

masa-zenbaki159
neutron number100
atomo-masa erlatibo
158,956232 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
134 ± 43 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data2017
parity-

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

160Pr

masa-zenbaki160
neutron number101
atomo-masa erlatibo
159,961138 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
170 ± 140 ms
spin1
nuclear quadrupole moment
aurkikuntza-data2017
parity+

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

161Pr

masa-zenbaki161
neutron number102
atomo-masa erlatibo
160,965121 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2018
parity-

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

historia

aurkitzailea edo asmatzaileaC.F. Aver von Welsbach
aurkikuntzaren lekuaAustria
aurkikuntza-data1885
etimologiaGreek: prasios and didymos (green twin); from its green salts.
pronunciationpra-si-eh-DIM-i-em (ingelesa)

source

Abundance
Abundance in Earth's crust
9,2 mg/kg
natural abundance (ozeano)
0,00000064 mg/L
natural abundance (gizakiaren gorputza)
natural abundance (Meteoroide)
0,0000098 %
natural abundance (Eguzkia)
0,0000001 %
Abundance in Universe
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