Prazeodim, ²Praseodymi (Pr)

Element me numer atomik 59

Atomic Number	59
Atomic Weight	140.90766
Numri i masës	141

Group
Period	6
Block	f

protoni	59 p⁺
neutroni	82 n⁰
elektroni	59 e^-

Animated Bohr model of Pr (Prazeodim, ²Praseodymi)

Tipar Fizik

Atomic Radius	185 pm 286 pm
molar volume	20,8 cm³/mol
covalent radius	176 pm 138 pm 128 pm 203 pm
Metallic Radius
ionic radius	99 pm 112,6 pm 117,9 pm 85 pm 96 pm
Crystal Radius	113 pm 126,6 pm 131,9 pm 99 pm 110 pm
Van der Waals radius	240 pm 273 pm 360,6 pm
density	6,773 g/cm³ 6 500 kg/m³

Chemical Property

energjia

proton affinity
electron affinity	0,962 eV/particle
ionization energy	5,473 eV/particle 10,55 eV/particle 21,6237 eV/particle 38,98 eV/particle 57,5 eV/particle 82 eV/particle 97 eV/particle 112 eV/particle 131 eV/particle 148 eV/particle 162 eV/particle 196 eV/particle 217,02 eV/particle 350 eV/particle 378 eV/particle 412 eV/particle 445 eV/particle 478 eV/particle 516 eV/particle 554 eV/particle 590 eV/particle 627 eV/particle 663 eV/particle 803 eV/particle 840 eV/particle 880 eV/particle 920 eV/particle 985 eV/particle 1 028 eV/particle 1 124 eV/particle 1 169,94 eV/particle 2 019 eV/particle 2 108 eV/particle 2 202 eV/particle 2 304 eV/particle 2 400 eV/particle 2 501 eV/particle 2 628 eV/particle 2 729 eV/particle 2 838 eV/particle 2 941 eV/particle 3 227 eV/particle 3 319 eV/particle 3 419 eV/particle 3 512 eV/particle 3 729 eV/particle 3 832 eV/particle 4 030 eV/particle 4 130 eV/particle 9 378 eV/particle 9 632 eV/particle 9 913 eV/particle 10 175 eV/particle 10 959 eV/particle 11 262 eV/particle 11 641 eV/particle 11 895,89 eV/particle 48 571,71 eV/particle 49 722,2 eV/particle

enthalpy of vaporization	331 kJ/mol
enthalpy of fusion	11,3 kJ/mol
standard enthalpy of formation	356,9 kJ/mol
elektroni

electron shell	2, 8, 18, 21, 8, 2

valence electron	2 ⓘ

konfigurimi i elektronit	[Xe] 4f³ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f³ 6s²

oxidation number	0, 1, 2, 3, 4, 5
Elektronegativiteti	0.17208 1.13
Electrophilicity Index	1,1474513688760803 eV/particle
fundamental state of matter

gjendja agregate e materies	Solid
gaseous state of matter
Boiling Point	3 793,15 K
Melting Point	1 204,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra	Silver #ff1493 #d9ffc7 #d9ffc7
appearance	grayish white
refractive index
thermodynamic material property
Thermal Conductivity	12,5 W/(m K)
thermal expansion	0,0000067 1/K
molar heat capacity	27,2 J/(mol K)
Specific Heat Capacity	0,193 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	1,4 MS/m
electrical resistivity	0,0000007 Ω*m
Superpërcjellshmëria
Magnetizimi
type	paramagnetic
magnetic susceptibility (Mass)	0,000000423 m³/Kg
magnetic susceptibility (Molar)	0,000000059604 m³/mol
magnetic susceptibility (Volume)	0,0028087
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal Structure	Simple Hexagonal (HEX)
lattice constant	3,67 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	481 MPa 400 MPa
bulk modulus	29 GPa
shear modulus	15 GPa
Young's modulus	37 GPa
Poisson's ratio	0,28
Shpejtësia e zërit	2 280 m/s
klasifikim
Category	Lanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number	30
Mendeleev Number	17
Pettifor Number	31
Geochemical Class	rare earth & related
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	216 ± 20 a₀
C6 Dispersion Coefficient	3 760 a₀
allotrope
Neutron cross section	11,4
Neutron Mass Absorption	0,0029
numër kuantik	4I9/2
space group	194 (P63/mmc)

Isotopes of Praseodymium

Stable Isotopes	1
Unstable Isotopes	40
Natural Isotopes	1

¹²¹Pr

Numri i masës	121
numri i neutroneve	62
Relative Atomic Mass	120,955393 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	12 ± 5 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2005
parity

decay mode	intensitet
p (proton emission)	100%

¹²²Pr

Numri i masës	122
numri i neutroneve	63
Relative Atomic Mass	121,951927 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

¹²³Pr

Numri i masës	123
numri i neutroneve	64
Relative Atomic Mass	122,946076 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	+

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

¹²⁴Pr

Numri i masës	124
numri i neutroneve	65
Relative Atomic Mass	123,94294 ± 0,00043 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,2 ± 0,2 s
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1986
parity

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

¹²⁵Pr

Numri i masës	125
numri i neutroneve	66
Relative Atomic Mass	124,937659 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,3 ± 0,7 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2002
parity	+

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

¹²⁶Pr

Numri i masës	126
numri i neutroneve	67
Relative Atomic Mass	125,93524 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,12 ± 0,18 s
Spini	4
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1983
parity

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

¹²⁷Pr

Numri i masës	127
numri i neutroneve	68
Relative Atomic Mass	126,93071 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	4,2 ± 0,3 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1995
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁸Pr

Numri i masës	128
numri i neutroneve	69
Relative Atomic Mass	127,928791 ± 0,000032 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,85 ± 0,09 s
Spini	3
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1985
parity	+

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

¹²⁹Pr

Numri i masës	129
numri i neutroneve	70
Relative Atomic Mass	128,925095 ± 0,000032 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	30 ± 4 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1977
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁰Pr

Numri i masës	130
numri i neutroneve	71
Relative Atomic Mass	129,92359 ± 0,000069 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	40 ± 0,4 s
Spini	6
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1977
parity

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³¹Pr

Numri i masës	131
numri i neutroneve	72
Relative Atomic Mass	130,92023496 ± 0,000050451 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,5 ± 0,03 m
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1977
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³²Pr

Numri i masës	132
numri i neutroneve	73
Relative Atomic Mass	131,91924 ± 0,000031 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,49 ± 0,11 m
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1974
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³³Pr

Numri i masës	133
numri i neutroneve	74
Relative Atomic Mass	132,916330558 ± 0,000013416 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	6,5 ± 0,3 m
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1970
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁴Pr

Numri i masës	134
numri i neutroneve	75
Relative Atomic Mass	133,915696729 ± 0,00002181 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	17 ± 2 m
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1967
parity	-

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁵Pr

Numri i masës	135
numri i neutroneve	76
Relative Atomic Mass	134,913111772 ± 0,000012686 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	24 ± 1 m
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1954
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁶Pr

Numri i masës	136
numri i neutroneve	77
Relative Atomic Mass	135,91267747 ± 0,000012296 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	13,1 ± 0,1 m
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1968
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁷Pr

Numri i masës	137
numri i neutroneve	78
Relative Atomic Mass	136,910679183 ± 0,000008733 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,28 ± 0,03 h
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1958
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁸Pr

Numri i masës	138
numri i neutroneve	79
Relative Atomic Mass	137,910757495 ± 0,000010748 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,45 ± 0,05 m
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1951
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁹Pr

Numri i masës	139
numri i neutroneve	80
Relative Atomic Mass	138,9089327 ± 0,000003917 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	4,41 ± 0,04 h
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1951
parity	+

decay mode	intensitet
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁴⁰Pr

Numri i masës	140
numri i neutroneve	81
Relative Atomic Mass	139,9090856 ± 0,000006593 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,39 ± 0,01 m
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1938
parity	+

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

¹⁴¹Pr

Numri i masës	141
numri i neutroneve	82
Relative Atomic Mass	140,907659604 ± 0,000001607 Da
g-factor	1,7064 ± 0,0012
natural abundance	100
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	5/2
nuclear quadrupole moment	-0,077 ± 0,006
koha e zbulimit apo shpikjes	1924
parity	+

¹⁴²Pr

Numri i masës	142
numri i neutroneve	83
Relative Atomic Mass	141,91005164 ± 0,000001607 Da
g-factor	0,117 ± 0,0005
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	19,12 ± 0,04 h
Spini	2
nuclear quadrupole moment	0,039 ± 0,017
koha e zbulimit apo shpikjes	1935
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
ϵ (electron capture)	0.0164%

¹⁴³Pr

Numri i masës	143
numri i neutroneve	84
Relative Atomic Mass	142,910822624 ± 0,000001949 Da
g-factor	0,77 ± 0,0014285714285714
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	13,57 ± 0,02 d
Spini	7/2
nuclear quadrupole moment	0,77 ± 0,16
koha e zbulimit apo shpikjes	1948
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁴⁴Pr

Numri i masës	144
numri i neutroneve	85
Relative Atomic Mass	143,913310682 ± 0,000002907 Da
g-factor	0
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	17,28 ± 0,05 m
Spini	0
nuclear quadrupole moment	0
koha e zbulimit apo shpikjes	1951
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁴⁵Pr

Numri i masës	145
numri i neutroneve	86
Relative Atomic Mass	144,914517987 ± 0,000007674 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	5,984 ± 0,01 h
Spini	7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1954
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁴⁶Pr

Numri i masës	146
numri i neutroneve	87
Relative Atomic Mass	145,91768763 ± 0,000036882 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	24,09 ± 0,1 m
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1953
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁴⁷Pr

Numri i masës	147
numri i neutroneve	88
Relative Atomic Mass	146,919007438 ± 0,00001702 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	13,39 ± 0,04 m
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1964
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁴⁸Pr

Numri i masës	148
numri i neutroneve	89
Relative Atomic Mass	147,922129992 ± 0,000016147 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,29 ± 0,02 m
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1964
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁴⁹Pr

Numri i masës	149
numri i neutroneve	90
Relative Atomic Mass	148,9237361 ± 0,0000106 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,26 ± 0,07 m
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1964
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁵⁰Pr

Numri i masës	150
numri i neutroneve	91
Relative Atomic Mass	149,926676391 ± 0,000009677 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	6,19 ± 0,16 s
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1970
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁵¹Pr

Numri i masës	151
numri i neutroneve	92
Relative Atomic Mass	150,928309066 ± 0,000012506 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	18,9 ± 0,07 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1990
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁵²Pr

Numri i masës	152
numri i neutroneve	93
Relative Atomic Mass	151,9315529 ± 0,0000199 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,57 ± 0,11 s
Spini	4
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1983
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%

¹⁵³Pr

Numri i masës	153
numri i neutroneve	94
Relative Atomic Mass	152,933903511 ± 0,000012755 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	4,28 ± 0,11 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵⁴Pr

Numri i masës	154
numri i neutroneve	95
Relative Atomic Mass	153,937885165 ± 0,00010736 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,3 ± 0,09 s
Spini	3
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1988
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵⁵Pr

Numri i masës	155
numri i neutroneve	96
Relative Atomic Mass	154,940509193 ± 0,000018462 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,47 ± 0,3 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1992
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵⁶Pr

Numri i masës	156
numri i neutroneve	97
Relative Atomic Mass	155,9447669 ± 0,0000011 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	444 ± 6 ms
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1992
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵⁷Pr

Numri i masës	157
numri i neutroneve	98
Relative Atomic Mass	156,9480031 ± 0,0000034 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	307 ± 21 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2017
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵⁸Pr

Numri i masës	158
numri i neutroneve	99
Relative Atomic Mass	157,952603 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	181 ± 14 ms
Spini	5
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2016
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵⁹Pr

Numri i masës	159
numri i neutroneve	100
Relative Atomic Mass	158,956232 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	134 ± 43 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2017
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶⁰Pr

Numri i masës	160
numri i neutroneve	101
Relative Atomic Mass	159,961138 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	170 ± 140 ms
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2017
parity	+

decay mode	intensitet
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶¹Pr

Numri i masës	161
numri i neutroneve	102
Relative Atomic Mass	160,965121 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2018
parity	-

decay mode	intensitet
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

historia

zbulues	C.F. Aver von Welsbach
vendndodhja e zbulimit	Austria
koha e zbulimit apo shpikjes	1885
Etimologjia	Greek: prasios and didymos (green twin); from its green salts.
pronunciation	pra-si-eh-DIM-i-em (anglisht)

burim

Abundance
Abundance in Earth's crust	9,2 mg/kg
natural abundance (Oqeani)	0,00000064 mg/L
natural abundance (Trupi i njeriut)
natural abundance (meteoroid)	0,0000098 %
natural abundance (Diell)	0,0000001 %
Abundance in Universe	0,0000002 %

Nuclear Screening Constants

1	s	1.1694
2	p	4.2306
2	s	15.538
3	d	13.8476
3	p	19.1756
3	s	19.499
4	d	32.7028
4	f	37.8992
4	p	29.9432
4	s	28.6668
5	p	43.7165
5	s	41.387
6	s	51.2534

Prazeodim, ²Praseodymi on ChemicalAid

Australian Educational Vocabulary ID	scot/3561
ChEBI ID	49828
ChemSpider ID	22384
DSSTOX compound identifier	DTXCID2047648
DSSTox substance ID	DTXSID4064684
Den Store Danske ID	praseodym
ECHA Substance Infocard ID	100.028.291
Elhuyar ZTH ID	030065
Encyclopædia Britannica Online ID	science/praseodymium
Encyclopædia Universalis ID	praseodyme
Freebase ID	/m/025sc08
GND ID	4175591-1
Gran Enciclopèdia Catalana ID	0134006
Great Russian Encyclopedia Online ID	3173701
InChI	InChI=1S/Pr
InChIKey	PUDIUYLPXJFUGB-UHFFFAOYSA-N
KBpedia ID	Praseodymium
Library of Congress ID	sh85106095
MeSH descriptor ID	D011221
Namuwiki ID	프라세오디뮴
National Library of Israel J9U ID	987007531660105171
OmegaWiki Defined Meaning	342115
OpenAlex ID	C537997061
PubChem CID	23942
Quora topic ID	Praseodymium
RxNorm ID	1311481
Römpp online ID	RD-16-03954
Store norske leksikon ID	praseodym
Treccani ID	praseodimio
UNII	NKN7EZA750
USGS Thesaurus ID	1545
WordNet 3.1 Synset ID	14675391-n
numri CAS	7440-10-0

Prazeodim, ²Praseodymi (Pr)

Tipar Fizik

Chemical Property

other

Isotopes of Praseodymium

121Pr

122Pr

123Pr

124Pr

125Pr

126Pr

127Pr

128Pr

129Pr

130Pr

131Pr

132Pr

133Pr

134Pr

135Pr

136Pr

137Pr

138Pr

139Pr

140Pr

141Pr

142Pr

143Pr

144Pr

145Pr

146Pr

147Pr

148Pr

149Pr

150Pr

151Pr

152Pr

153Pr

154Pr

155Pr

156Pr

157Pr

158Pr

159Pr

160Pr

161Pr

historia

burim

Nuclear Screening Constants

¹²¹Pr

¹²²Pr

¹²³Pr

¹²⁴Pr

¹²⁵Pr

¹²⁶Pr

¹²⁷Pr

¹²⁸Pr

¹²⁹Pr

¹³⁰Pr

¹³¹Pr

¹³²Pr

¹³³Pr

¹³⁴Pr

¹³⁵Pr

¹³⁶Pr

¹³⁷Pr

¹³⁸Pr

¹³⁹Pr

¹⁴⁰Pr

¹⁴¹Pr

¹⁴²Pr

¹⁴³Pr

¹⁴⁴Pr

¹⁴⁵Pr

¹⁴⁶Pr

¹⁴⁷Pr

¹⁴⁸Pr

¹⁴⁹Pr

¹⁵⁰Pr

¹⁵¹Pr

¹⁵²Pr

¹⁵³Pr

¹⁵⁴Pr

¹⁵⁵Pr

¹⁵⁶Pr

¹⁵⁷Pr

¹⁵⁸Pr

¹⁵⁹Pr

¹⁶⁰Pr

¹⁶¹Pr