Praseodymijum, ²Praseodimij (Pr)

hemijski element sa simbolom Pr i atomskim brojem 59

Atomic Number	59
Atomic Weight	140.90766
Maseni broj	141

Group
Period	6
Block	f

Proton	59 p⁺
Neutron	82 n⁰
Elektron	59 e^-

Animated Bohrov model atoma of Pr (Praseodymijum, ²Praseodimij)

Physical Property

Atomski Radijus	185 pm 286 pm
Molarni volumen	20,8 cm³/mol
covalent radius	176 pm 138 pm 128 pm 203 pm
Metallic Radius
Ionski radijus	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 Waalsov radijus	240 pm 273 pm 360,6 pm
gustoća	6,773 g/cm³ 6.500 kg/m³

Chemical Property

{ERROR}

energija

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

Toplota isparavanja	331 kJ/mol
toplota topljenja	11,3 kJ/mol
standard enthalpy of formation	356,9 kJ/mol
Elektron

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

Valentni elektron	2 ⓘ

electron configuration	[Xe] 4f³ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f³ 6s²

oksidacijsko stanje	0, 1, 2, 3, 4, 5
Elektronegativnost	0.17208 1.13
Electrophilicity Index	1,1474513688760803 eV/particle
fundamental state of matter

agregatno stanje
gaseous state of matter
Boiling Point	3.793,15 K
Melting Point	1.204,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja	Black #ff1493 #d9ffc7 #d9ffc7
appearance	grayish white
Indeks prelamanja
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
Specifična električna provodljivost	1,4 MS/m
electrical resistivity	0,0000007 Ω*m
Superprovodljivost
Magnetizam
type	paramagnetic
magnetic susceptibility (Mass)	0,000000423 m³/Kg
magnetic susceptibility (Molar)	0,000000059604 m³/mol
magnetic susceptibility (Volume)	0,0028087
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal Structure	{ERROR}
lattice constant	3,67 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
Tvrdoća	481 MPa 400 MPa
bulk modulus	29 GPa
shear modulus	15 GPa
Young's modulus	37 GPa
Poisson's ratio	0,28
Brzina zvuka	2.280 m/s
klasifikacija
Category	Actinides, 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
Kvantni brojevi	4I9/2
space group	194 (P63/mmc)

Isotopes of Praseodymium

Stable Isotopes	1
Unstable Isotopes	40
Natural Isotopes	1

¹²¹Pr

Maseni broj	121
broj neutrona	62
Relative Atomic Mass	120,955393 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	12 ± 5 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	2005
parity

decay mode	intensity
p (proton emission)	100%

¹²²Pr

Maseni broj	122
broj neutrona	63
Relative Atomic Mass	121,951927 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića
parity

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

¹²³Pr

Maseni broj	123
broj neutrona	64
Relative Atomic Mass	122,946076 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
datum otkrića
parity	+

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

¹²⁴Pr

Maseni broj	124
broj neutrona	65
Relative Atomic Mass	123,94294 ± 0,00043 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,2 ± 0,2 s
spin
nuclear quadrupole moment
datum otkrića	1986
parity

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

¹²⁵Pr

Maseni broj	125
broj neutrona	66
Relative Atomic Mass	124,937659 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,3 ± 0,7 s
spin	3/2
nuclear quadrupole moment
datum otkrića	2002
parity	+

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

¹²⁶Pr

Maseni broj	126
broj neutrona	67
Relative Atomic Mass	125,93524 ± 0,00021 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,12 ± 0,18 s
spin	4
nuclear quadrupole moment
datum otkrića	1983
parity

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

¹²⁷Pr

Maseni broj	127
broj neutrona	68
Relative Atomic Mass	126,93071 ± 0,00021 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,2 ± 0,3 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1995
parity	+

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

¹²⁸Pr

Maseni broj	128
broj neutrona	69
Relative Atomic Mass	127,928791 ± 0,000032 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,85 ± 0,09 s
spin	3
nuclear quadrupole moment
datum otkrića	1985
parity	+

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

¹²⁹Pr

Maseni broj	129
broj neutrona	70
Relative Atomic Mass	128,925095 ± 0,000032 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	30 ± 4 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1977
parity	+

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

¹³⁰Pr

Maseni broj	130
broj neutrona	71
Relative Atomic Mass	129,92359 ± 0,000069 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	40 ± 0,4 s
spin	6
nuclear quadrupole moment
datum otkrića	1977
parity

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

¹³¹Pr

Maseni broj	131
broj neutrona	72
Relative Atomic Mass	130,92023496 ± 0,000050451 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,5 ± 0,03 m
spin	3/2
nuclear quadrupole moment
datum otkrića	1977
parity	+

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

¹³²Pr

Maseni broj	132
broj neutrona	73
Relative Atomic Mass	131,91924 ± 0,000031 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,49 ± 0,11 m
spin	2
nuclear quadrupole moment
datum otkrića	1974
parity	+

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

¹³³Pr

Maseni broj	133
broj neutrona	74
Relative Atomic Mass	132,916330558 ± 0,000013416 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,5 ± 0,3 m
spin	5/2
nuclear quadrupole moment
datum otkrića	1970
parity	+

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

¹³⁴Pr

Maseni broj	134
broj neutrona	75
Relative Atomic Mass	133,915696729 ± 0,00002181 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	17 ± 2 m
spin	2
nuclear quadrupole moment
datum otkrića	1967
parity	-

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

¹³⁵Pr

Maseni broj	135
broj neutrona	76
Relative Atomic Mass	134,913111772 ± 0,000012686 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	24 ± 1 m
spin	3/2
nuclear quadrupole moment
datum otkrića	1954
parity	+

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

¹³⁶Pr

Maseni broj	136
broj neutrona	77
Relative Atomic Mass	135,91267747 ± 0,000012296 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,1 ± 0,1 m
spin	2
nuclear quadrupole moment
datum otkrića	1968
parity	+

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

¹³⁷Pr

Maseni broj	137
broj neutrona	78
Relative Atomic Mass	136,910679183 ± 0,000008733 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,28 ± 0,03 h
spin	5/2
nuclear quadrupole moment
datum otkrića	1958
parity	+

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

¹³⁸Pr

Maseni broj	138
broj neutrona	79
Relative Atomic Mass	137,910757495 ± 0,000010748 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,45 ± 0,05 m
spin	1
nuclear quadrupole moment
datum otkrića	1951
parity	+

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

¹³⁹Pr

Maseni broj	139
broj neutrona	80
Relative Atomic Mass	138,9089327 ± 0,000003917 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,41 ± 0,04 h
spin	5/2
nuclear quadrupole moment
datum otkrića	1951
parity	+

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

¹⁴⁰Pr

Maseni broj	140
broj neutrona	81
Relative Atomic Mass	139,9090856 ± 0,000006593 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,39 ± 0,01 m
spin	1
nuclear quadrupole moment
datum otkrića	1938
parity	+

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

¹⁴¹Pr

Maseni broj	141
broj neutrona	82
Relative Atomic Mass	140,907659604 ± 0,000001607 Da
g-factor	1,7064 ± 0,0012
natural abundance	100
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment	-0,077 ± 0,006
datum otkrića	1924
parity	+

¹⁴²Pr

Maseni broj	142
broj neutrona	83
Relative Atomic Mass	141,91005164 ± 0,000001607 Da
g-factor	0,117 ± 0,0005
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	19,12 ± 0,04 h
spin	2
nuclear quadrupole moment	0,039 ± 0,017
datum otkrića	1935
parity	-

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

¹⁴³Pr

Maseni broj	143
broj neutrona	84
Relative Atomic Mass	142,910822624 ± 0,000001949 Da
g-factor	0,77 ± 0,0014285714285714
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,57 ± 0,02 d
spin	7/2
nuclear quadrupole moment	0,77 ± 0,16
datum otkrića	1948
parity	+

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

¹⁴⁴Pr

Maseni broj	144
broj neutrona	85
Relative Atomic Mass	143,913310682 ± 0,000002907 Da
g-factor	0
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	17,28 ± 0,05 m
spin	0
nuclear quadrupole moment	0
datum otkrića	1951
parity	-

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

¹⁴⁵Pr

Maseni broj	145
broj neutrona	86
Relative Atomic Mass	144,914517987 ± 0,000007674 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,984 ± 0,01 h
spin	7/2
nuclear quadrupole moment
datum otkrića	1954
parity	+

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

¹⁴⁶Pr

Maseni broj	146
broj neutrona	87
Relative Atomic Mass	145,91768763 ± 0,000036882 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	24,09 ± 0,1 m
spin	2
nuclear quadrupole moment
datum otkrića	1953
parity	-

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

¹⁴⁷Pr

Maseni broj	147
broj neutrona	88
Relative Atomic Mass	146,919007438 ± 0,00001702 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	13,39 ± 0,04 m
spin	3/2
nuclear quadrupole moment
datum otkrića	1964
parity	+

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

¹⁴⁸Pr

Maseni broj	148
broj neutrona	89
Relative Atomic Mass	147,922129992 ± 0,000016147 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,29 ± 0,02 m
spin	1
nuclear quadrupole moment
datum otkrića	1964
parity	-

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

¹⁴⁹Pr

Maseni broj	149
broj neutrona	90
Relative Atomic Mass	148,9237361 ± 0,0000106 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,26 ± 0,07 m
spin	5/2
nuclear quadrupole moment
datum otkrića	1964
parity	+

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

¹⁵⁰Pr

Maseni broj	150
broj neutrona	91
Relative Atomic Mass	149,926676391 ± 0,000009677 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,19 ± 0,16 s
spin	1
nuclear quadrupole moment
datum otkrića	1970
parity	-

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

¹⁵¹Pr

Maseni broj	151
broj neutrona	92
Relative Atomic Mass	150,928309066 ± 0,000012506 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	18,9 ± 0,07 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1990
parity	-

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

¹⁵²Pr

Maseni broj	152
broj neutrona	93
Relative Atomic Mass	151,9315529 ± 0,0000199 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,57 ± 0,11 s
spin	4
nuclear quadrupole moment
datum otkrića	1983
parity	+

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

¹⁵³Pr

Maseni broj	153
broj neutrona	94
Relative Atomic Mass	152,933903511 ± 0,000012755 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,28 ± 0,11 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1987
parity	-

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

¹⁵⁴Pr

Maseni broj	154
broj neutrona	95
Relative Atomic Mass	153,937885165 ± 0,00010736 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,3 ± 0,09 s
spin	3
nuclear quadrupole moment
datum otkrića	1988
parity	+

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

¹⁵⁵Pr

Maseni broj	155
broj neutrona	96
Relative Atomic Mass	154,940509193 ± 0,000018462 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,47 ± 0,3 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1992
parity	-

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

¹⁵⁶Pr

Maseni broj	156
broj neutrona	97
Relative Atomic Mass	155,9447669 ± 0,0000011 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	444 ± 6 ms
spin	1
nuclear quadrupole moment
datum otkrića	1992
parity	+

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

¹⁵⁷Pr

Maseni broj	157
broj neutrona	98
Relative Atomic Mass	156,9480031 ± 0,0000034 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	307 ± 21 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	2017
parity	-

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

¹⁵⁸Pr

Maseni broj	158
broj neutrona	99
Relative Atomic Mass	157,952603 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	181 ± 14 ms
spin	5
nuclear quadrupole moment
datum otkrića	2016
parity	-

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

¹⁵⁹Pr

Maseni broj	159
broj neutrona	100
Relative Atomic Mass	158,956232 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	134 ± 43 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	2017
parity	-

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

¹⁶⁰Pr

Maseni broj	160
broj neutrona	101
Relative Atomic Mass	159,961138 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	170 ± 140 ms
spin	1
nuclear quadrupole moment
datum otkrića	2017
parity	+

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

¹⁶¹Pr

Maseni broj	161
broj neutrona	102
Relative Atomic Mass	160,965121 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
datum otkrića	2018
parity	-

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

historija

otkrivač ili izumitelj	C.F. Aver von Welsbach
mjesto otkrića	Austria
datum otkrića	1885
Etimologija	Greek: prasios and didymos (green twin); from its green salts.
pronunciation	pra-si-eh-DIM-i-em (engleski)

izvor

Abundance
Abundance in Earth's crust	9,2 mg/kg
natural abundance (okean)	0,00000064 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)	0,0000098 %
natural abundance (Sunce)	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

Praseodymijum, ²Praseodimij on ChemicalAid

Praseodymijum, ²Praseodimij (Pr)

Physical Property

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

historija

izvor

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