Praseodimium (Pr)

element with the atomic number of 59

Atomic Number	59
Atomic Weight	140.90766
Nombor jisim	141

Group
Period	6
Block	f

proton	59 p⁺
neutron	82 n⁰
Elektron	59 e^-

Animated Model Bohr of Pr (Praseodimium)

Sifat Fizikal

Jejari Atom	185 pm 286 pm
molar volume	20.8 cm³/mol
Jejari kovalen	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
Jejari van der Waals	240 pm 273 pm 360.6 pm
ketumpatan	6.773 g/cm³ 6,500 kg/m³

Sifat Kimia

tenaga

proton affinity
Pertalian elektron	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

Entalpi pengewapan	331 kJ/mol
entalpi pelakuran	11.3 kJ/mol
standard enthalpy of formation	356.9 kJ/mol
Elektron

Petala elektron	2, 8, 18, 21, 8, 2

Elektron valens	2 ⓘ

tatarajah elektron	[Xe] 4f³ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f³ 6s²

Keadaan pengoksidaan	0, 1, 2, 3, 4, 5
Keelektronegatifan	0.17208 1.13
Electrophilicity Index	1.1474513688760803 eV/particle
keadaan jirim asas

fasa jirim	Solid
gaseous state of matter
Boiling Point	3,793.15 K
Melting Point	1,204.15 K
critical pressure
critical temperature
triple point
rupa
warna	Silver #ff1493 #d9ffc7 #d9ffc7
rupa	grayish white
indeks biasan
sifat bahan
Thermal Conductivity	12.5 W/(m K)
Pengembangan terma	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
Kekonduksian elektrik	1.4 MS/m
Kerintangan dan kekonduksian elektrik	0.0000007 Ω*m
Kesuperkonduksian
kemagnetan
type	paramagnetic
magnetic susceptibility (Mass)	0.000000423 m³/Kg
magnetic susceptibility (Molar)	0.000000059604 m³/mol
magnetic susceptibility (Volume)	0.0028087
magnetic ordering
Suhu Curie
Néel temperature
struktur
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
Modulus pukal	29 GPa
shear modulus	15 GPa
Young's modulus	37 GPa
Nisbah Poisson	0.28
Kelajuan bunyi	2,280 m/s
pengelasan
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
Nombor kuantum	4I9/2
space group	194 (P63/mmc)

Isotopes of Praseodymium

Stable Isotopes	1
Unstable Isotopes	40
Natural Isotopes	1

¹²¹Pr

Nombor jisim	121
nombor neutron	62
Jisim Atom Relatif	120.955393 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	12 ± 5 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2005
parity

decay mode	Keamatan (fizik)
p (proton emission)	100%

¹²²Pr

Nombor jisim	122
nombor neutron	63
Jisim Atom Relatif	121.951927 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan
parity

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

¹²³Pr

Nombor jisim	123
nombor neutron	64
Jisim Atom Relatif	122.946076 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan
parity	+

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

¹²⁴Pr

Nombor jisim	124
nombor neutron	65
Jisim Atom Relatif	123.94294 ± 0.00043 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.2 ± 0.2 s
Spin
nuclear quadrupole moment
tarikh penemuan	1986
parity

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

¹²⁵Pr

Nombor jisim	125
nombor neutron	66
Jisim Atom Relatif	124.937659 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.3 ± 0.7 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2002
parity	+

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

¹²⁶Pr

Nombor jisim	126
nombor neutron	67
Jisim Atom Relatif	125.93524 ± 0.00021 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.12 ± 0.18 s
Spin	4
nuclear quadrupole moment
tarikh penemuan	1983
parity

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

¹²⁷Pr

Nombor jisim	127
nombor neutron	68
Jisim Atom Relatif	126.93071 ± 0.00021 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.2 ± 0.3 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1995
parity	+

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

¹²⁸Pr

Nombor jisim	128
nombor neutron	69
Jisim Atom Relatif	127.928791 ± 0.000032 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.85 ± 0.09 s
Spin	3
nuclear quadrupole moment
tarikh penemuan	1985
parity	+

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

¹²⁹Pr

Nombor jisim	129
nombor neutron	70
Jisim Atom Relatif	128.925095 ± 0.000032 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	30 ± 4 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1977
parity	+

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

¹³⁰Pr

Nombor jisim	130
nombor neutron	71
Jisim Atom Relatif	129.92359 ± 0.000069 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	40 ± 0.4 s
Spin	6
nuclear quadrupole moment
tarikh penemuan	1977
parity

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

¹³¹Pr

Nombor jisim	131
nombor neutron	72
Jisim Atom Relatif	130.92023496 ± 0.000050451 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.5 ± 0.03 m
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1977
parity	+

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

¹³²Pr

Nombor jisim	132
nombor neutron	73
Jisim Atom Relatif	131.91924 ± 0.000031 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.49 ± 0.11 m
Spin	2
nuclear quadrupole moment
tarikh penemuan	1974
parity	+

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

¹³³Pr

Nombor jisim	133
nombor neutron	74
Jisim Atom Relatif	132.916330558 ± 0.000013416 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	6.5 ± 0.3 m
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1970
parity	+

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

¹³⁴Pr

Nombor jisim	134
nombor neutron	75
Jisim Atom Relatif	133.915696729 ± 0.00002181 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	17 ± 2 m
Spin	2
nuclear quadrupole moment
tarikh penemuan	1967
parity	-

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

¹³⁵Pr

Nombor jisim	135
nombor neutron	76
Jisim Atom Relatif	134.913111772 ± 0.000012686 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	24 ± 1 m
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1954
parity	+

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

¹³⁶Pr

Nombor jisim	136
nombor neutron	77
Jisim Atom Relatif	135.91267747 ± 0.000012296 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	13.1 ± 0.1 m
Spin	2
nuclear quadrupole moment
tarikh penemuan	1968
parity	+

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

¹³⁷Pr

Nombor jisim	137
nombor neutron	78
Jisim Atom Relatif	136.910679183 ± 0.000008733 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.28 ± 0.03 h
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1958
parity	+

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

¹³⁸Pr

Nombor jisim	138
nombor neutron	79
Jisim Atom Relatif	137.910757495 ± 0.000010748 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.45 ± 0.05 m
Spin	1
nuclear quadrupole moment
tarikh penemuan	1951
parity	+

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

¹³⁹Pr

Nombor jisim	139
nombor neutron	80
Jisim Atom Relatif	138.9089327 ± 0.000003917 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.41 ± 0.04 h
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1951
parity	+

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

¹⁴⁰Pr

Nombor jisim	140
nombor neutron	81
Jisim Atom Relatif	139.9090856 ± 0.000006593 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.39 ± 0.01 m
Spin	1
nuclear quadrupole moment
tarikh penemuan	1938
parity	+

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

¹⁴¹Pr

Nombor jisim	141
nombor neutron	82
Jisim Atom Relatif	140.907659604 ± 0.000001607 Da
g-factor	1.7064 ± 0.0012
natural abundance	100
Reputan radioaktif	Isotop stabil
setengah hayat	Not Radioactive ☢️
Spin	5/2
nuclear quadrupole moment	-0.077 ± 0.006
tarikh penemuan	1924
parity	+

¹⁴²Pr

Nombor jisim	142
nombor neutron	83
Jisim Atom Relatif	141.91005164 ± 0.000001607 Da
g-factor	0.117 ± 0.0005
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	19.12 ± 0.04 h
Spin	2
nuclear quadrupole moment	0.039 ± 0.017
tarikh penemuan	1935
parity	-

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

¹⁴³Pr

Nombor jisim	143
nombor neutron	84
Jisim Atom Relatif	142.910822624 ± 0.000001949 Da
g-factor	0.77 ± 0.0014285714285714
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	13.57 ± 0.02 d
Spin	7/2
nuclear quadrupole moment	0.77 ± 0.16
tarikh penemuan	1948
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁴⁴Pr

Nombor jisim	144
nombor neutron	85
Jisim Atom Relatif	143.913310682 ± 0.000002907 Da
g-factor	0
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	17.28 ± 0.05 m
Spin	0
nuclear quadrupole moment	0
tarikh penemuan	1951
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁴⁵Pr

Nombor jisim	145
nombor neutron	86
Jisim Atom Relatif	144.914517987 ± 0.000007674 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	5.984 ± 0.01 h
Spin	7/2
nuclear quadrupole moment
tarikh penemuan	1954
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁴⁶Pr

Nombor jisim	146
nombor neutron	87
Jisim Atom Relatif	145.91768763 ± 0.000036882 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	24.09 ± 0.1 m
Spin	2
nuclear quadrupole moment
tarikh penemuan	1953
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁴⁷Pr

Nombor jisim	147
nombor neutron	88
Jisim Atom Relatif	146.919007438 ± 0.00001702 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	13.39 ± 0.04 m
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1964
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁴⁸Pr

Nombor jisim	148
nombor neutron	89
Jisim Atom Relatif	147.922129992 ± 0.000016147 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.29 ± 0.02 m
Spin	1
nuclear quadrupole moment
tarikh penemuan	1964
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁴⁹Pr

Nombor jisim	149
nombor neutron	90
Jisim Atom Relatif	148.9237361 ± 0.0000106 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.26 ± 0.07 m
Spin	5/2
nuclear quadrupole moment
tarikh penemuan	1964
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁵⁰Pr

Nombor jisim	150
nombor neutron	91
Jisim Atom Relatif	149.926676391 ± 0.000009677 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	6.19 ± 0.16 s
Spin	1
nuclear quadrupole moment
tarikh penemuan	1970
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁵¹Pr

Nombor jisim	151
nombor neutron	92
Jisim Atom Relatif	150.928309066 ± 0.000012506 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	18.9 ± 0.07 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1990
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁵²Pr

Nombor jisim	152
nombor neutron	93
Jisim Atom Relatif	151.9315529 ± 0.0000199 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	3.57 ± 0.11 s
Spin	4
nuclear quadrupole moment
tarikh penemuan	1983
parity	+

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)	100%

¹⁵³Pr

Nombor jisim	153
nombor neutron	94
Jisim Atom Relatif	152.933903511 ± 0.000012755 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	4.28 ± 0.11 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1987
parity	-

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

¹⁵⁴Pr

Nombor jisim	154
nombor neutron	95
Jisim Atom Relatif	153.937885165 ± 0.00010736 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	2.3 ± 0.09 s
Spin	3
nuclear quadrupole moment
tarikh penemuan	1988
parity	+

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

¹⁵⁵Pr

Nombor jisim	155
nombor neutron	96
Jisim Atom Relatif	154.940509193 ± 0.000018462 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	1.47 ± 0.3 s
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	1992
parity	-

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

¹⁵⁶Pr

Nombor jisim	156
nombor neutron	97
Jisim Atom Relatif	155.9447669 ± 0.0000011 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	444 ± 6 ms
Spin	1
nuclear quadrupole moment
tarikh penemuan	1992
parity	+

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

¹⁵⁷Pr

Nombor jisim	157
nombor neutron	98
Jisim Atom Relatif	156.9480031 ± 0.0000034 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	307 ± 21 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2017
parity	-

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

¹⁵⁸Pr

Nombor jisim	158
nombor neutron	99
Jisim Atom Relatif	157.952603 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	181 ± 14 ms
Spin	5
nuclear quadrupole moment
tarikh penemuan	2016
parity	-

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

¹⁵⁹Pr

Nombor jisim	159
nombor neutron	100
Jisim Atom Relatif	158.956232 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	134 ± 43 ms
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2017
parity	-

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

¹⁶⁰Pr

Nombor jisim	160
nombor neutron	101
Jisim Atom Relatif	159.961138 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat	170 ± 140 ms
Spin	1
nuclear quadrupole moment
tarikh penemuan	2017
parity	+

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

¹⁶¹Pr

Nombor jisim	161
nombor neutron	102
Jisim Atom Relatif	160.965121 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif	☢️ radioactive element
setengah hayat
Spin	3/2
nuclear quadrupole moment
tarikh penemuan	2018
parity	-

decay mode	Keamatan (fizik)
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

sejarah

penemu atau pereka	C.F. Aver von Welsbach
tempat penemuan	Austria
tarikh penemuan	1885
Etimologi	Greek: prasios and didymos (green twin); from its green salts.
sebutan	pra-si-eh-DIM-i-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust	9.2 mg/kg
natural abundance (lautan)	0.00000064 mg/L
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)	0.0000098 %
natural abundance (Matahari)	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

Praseodimium on ChemicalAid

ChEBI ID	49828
ChemSpider ID	22384
DSSTOX compound identifier	DTXCID2047648
ECHA Substance Infocard ID	100.028.291
ID Den Store Danske	praseodym
ID Elhuyar ZTH	030065
ID Encyclopædia Universalis	praseodyme
ID Ensiklopedia Besar Rusia dalam talian	3173701
ID Ensiklopedia Britannica Dalam Talian	science/praseodymium
ID Freebase	/m/025sc08
ID GND	4175591-1
ID Gran Enciclopèdia Catalana	0134006
ID J9U Perpustakaan Negara Israel	987007531660105171
ID KBpedia	Praseodymium
ID Namuwiki	프라세오디뮴
ID Perbendaharaan Kata Pendidikan Australia	scot/3561
ID Store norske leksikon	praseodym
ID Treccani	praseodimio
ID WordNet 3.1 Synset	14675391-n
ID bahan DSSTox	DTXSID4064684
ID kewibawaan Perpustakaan Kongres	sh85106095
ID pemerihal MeSH	D011221
ID topik Quora	Praseodymium
InChI	InChI=1S/Pr
InChIKey	PUDIUYLPXJFUGB-UHFFFAOYSA-N
Maksud Tertakrif OmegaWiki	342115
OpenAlex ID	C537997061
PubChem CID	23942
RxNorm ID	1311481
Römpp online ID	RD-16-03954
UNII	NKN7EZA750
USGS Thesaurus ID	1545
nombor pendaftaran CAS	7440-10-0

Praseodimium (Pr)

Sifat Fizikal

Sifat Kimia

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

sejarah

sumber

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