Diposu (Dy)

element with the atomic number of 66

Atomic Number	66
Atomic Weight	162.5
mass number	164

Group
Period	6
Block	f

Proton	66 p⁺
Netron	98 n⁰
Eléktron	66 e^-

Physical Property

Atomic Radius	175 pm 275 pm
molar volume	19 cm³/mol
covalent radius	167 pm 133 pm 192 pm
Metallic Radius
ionic radius	107 pm 113 pm 119 pm 91,2 pm 97 pm 102,7 pm 108,3 pm
Crystal Radius	121 pm 127 pm 133 pm 105,2 pm 111 pm 116,7 pm 122,3 pm
Van der Waals radius	231 pm 290 pm 342,8 pm
density	8,55 g/cm³ 8.370 kg/m³

Chemical Property

molungé

proton affinity
electron affinity	0,352 eV/particle
ionization energy	5,93905 eV/particle 11,67 eV/particle 22,93 eV/particle 41,4 eV/particle 62,08 eV/particle 93 eV/particle 110 eV/particle 127 eV/particle 152 eV/particle 170 eV/particle 192 eV/particle 224 eV/particle 259 eV/particle 279 eV/particle 300 eV/particle 332 eV/particle 366 eV/particle 399 eV/particle 431 eV/particle 465 eV/particle 664 eV/particle 702 eV/particle 743 eV/particle 786 eV/particle 827 eV/particle 872 eV/particle 924 eV/particle 969 eV/particle 1.014 eV/particle 1.059 eV/particle 1.232 eV/particle 1.275 eV/particle 1.325 eV/particle 1.371 eV/particle 1.468 eV/particle 1.520 eV/particle 1.638 eV/particle 1.691,74 eV/particle 2.882 eV/particle 2.987 eV/particle 3.098 eV/particle 3.217 eV/particle 3.331 eV/particle 3.445 eV/particle 3.607 eV/particle 3.725 eV/particle 3.852 eV/particle 3.970 eV/particle 4.303 eV/particle 4.407 eV/particle 4.523 eV/particle 4.629 eV/particle 4.945 eV/particle 5.066 eV/particle 5.296 eV/particle 5.412 eV/particle 12.081 eV/particle 12.370 eV/particle 12.690 eV/particle 12.986 eV/particle 14.144 eV/particle 14.495 eV/particle 14.936 eV/particle 15.228,06 eV/particle 61.736,55 eV/particle 63.073,5 eV/particle

enthalpy of vaporization	291 kJ/mol
enthalpy of fusion
standard enthalpy of formation	290,4 kJ/mol
Eléktron

electron shell	2, 8, 18, 28, 8, 2

valence electron	2 ⓘ

electron configuration	[Xe] 4f¹⁰ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁰ 6s²

oxidation number	0, 2, 3, 4
electronegativity	0.20333 1.22
Electrophilicity Index	0,8854697492974827 eV/particle
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	2.840,15 K
Melting Point	1.685,15 K
critical pressure
critical temperature
triple point
appearance
Lángi	Silver #ff1493 #1fffc7 #1fffc7
appearance	silvery white
refractive index
thermodynamic material property
Thermal Conductivity	10,7 W/(m K)
thermal expansion	0,00001 1/K
molar heat capacity	28,16 J/(mol K)
Specific Heat Capacity	0,173 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	1,1 MS/m
electrical resistivity	0,00000091 Ω*m
superconductivity
magnetism
type	paramagnetic
magnetic susceptibility (Mass)	0,00000545 m³/Kg
magnetic susceptibility (Molar)	0,000000885625 m³/mol
magnetic susceptibility (Volume)	0,046603
magnetic ordering
Curie temperature	87 K
Néel temperature	178 K
structure
Crystal Structure	Simple Hexagonal (HEX)
lattice constant	3,59 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	500 MPa 540 MPa
bulk modulus	41 GPa
shear modulus	25 GPa
Young's modulus	61 GPa
Poisson's ratio	0,25
speed of sound	2.710 m/s
classification
Category	Lanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number	24
Mendeleev Number	31
Pettifor Number	25
Geochemical Class	rare earth & related
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	163 ± 15 a₀
C6 Dispersion Coefficient	2.430 a₀
allotrope
Neutron cross section	950
Neutron Mass Absorption	0,2
quantum number	5I8
space group	194 (P63/mmc)

Isotopes of Dysprosium

Stable Isotopes	5
Unstable Isotopes	34
Natural Isotopes	7

¹³⁸Dy

mass number	138
neutron number	72
Relative Atomic Mass	137,9625 ± 0,00054 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention
parity	+

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

¹³⁹Dy

mass number	139
neutron number	73
Relative Atomic Mass	138,959527 ± 0,000537 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	600 ± 200 ms
spin	7/2
nuclear quadrupole moment
time of discovery or invention	1999
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	11%

¹⁴⁰Dy

mass number	140
neutron number	74
Relative Atomic Mass	139,95402 ± 0,00043 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2002
parity	+

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

¹⁴¹Dy

mass number	141
neutron number	75
Relative Atomic Mass	140,95128 ± 0,00032 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	900 ± 140 ms
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1984
parity	-

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

¹⁴²Dy

mass number	142
neutron number	76
Relative Atomic Mass	141,946194 ± 0,000782 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	2,3 ± 0,3 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1986
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
e⁺ (positron emission)	90%
ϵ (electron capture)	10%
β⁺ p (β⁺-delayed proton emission)	0.06%

¹⁴³Dy

mass number	143
neutron number	77
Relative Atomic Mass	142,943994332 ± 0,000014 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	5,6 ± 1 s
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1983
parity	+

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

¹⁴⁴Dy

mass number	144
neutron number	78
Relative Atomic Mass	143,939269512 ± 0,0000077 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	9,1 ± 0,4 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1986
parity	+

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

¹⁴⁵Dy

mass number	145
neutron number	79
Relative Atomic Mass	144,937473992 ± 0,000007 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	9,5 ± 1 s
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1982
parity	+

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

¹⁴⁶Dy

mass number	146
neutron number	80
Relative Atomic Mass	145,932844526 ± 0,000007187 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	33,2 ± 0,7 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1981
parity	+

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

¹⁴⁷Dy

mass number	147
neutron number	81
Relative Atomic Mass	146,931082712 ± 0,0000095 Da
g-factor	-1,83 ± 0,018
natural abundance
radioactivity	☢️ radioactive element
half-life	67 ± 7 s
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1975
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.05%

¹⁴⁸Dy

mass number	148
neutron number	82
Relative Atomic Mass	147,927149944 ± 0,000009365 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	3,3 ± 0,2 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1974
parity	+

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

¹⁴⁹Dy

mass number	149
neutron number	83
Relative Atomic Mass	148,927327516 ± 0,000009858 Da
g-factor	-0,034 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	4,2 ± 0,14 m
spin	7/2
nuclear quadrupole moment	-0,62 ± 0,05
time of discovery or invention	1958
parity	-

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

¹⁵⁰Dy

mass number	150
neutron number	84
Relative Atomic Mass	149,925593068 ± 0,000004636 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	7,17 ± 0,05 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1959
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	66.4%
α (α emission)	33.6%

¹⁵¹Dy

mass number	151
neutron number	85
Relative Atomic Mass	150,926191279 ± 0,000003486 Da
g-factor	-0,27 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	17,9 ± 0,3 m
spin	7/2
nuclear quadrupole moment	-0,3 ± 0,05
time of discovery or invention	1959
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	94.4%
α (α emission)	5.6%

¹⁵²Dy

mass number	152
neutron number	86
Relative Atomic Mass	151,924725274 ± 0,00000493 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	2,38 ± 0,02 h
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1958
parity	+

decay mode	intensity
ϵ (electron capture)	99.9%
α (α emission)	0.1%

¹⁵³Dy

mass number	153
neutron number	87
Relative Atomic Mass	152,925771729 ± 0,000004295 Da
g-factor	-0,20342857142857 ± 0,0017142857142857
natural abundance
radioactivity	☢️ radioactive element
half-life	6,4 ± 0,1 h
spin	7/2
nuclear quadrupole moment	-0,15 ± 0,09
time of discovery or invention	1958
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	99.9906%
α (α emission)	0.0094%

¹⁵⁴Dy

mass number	154
neutron number	88
Relative Atomic Mass	153,92442892 ± 0,000007977 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	3 ± 1,5 My
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1961
parity	+

decay mode	intensity
α (α emission)	100%
2β⁺ (double β⁺ decay)

¹⁵⁵Dy

mass number	155
neutron number	89
Relative Atomic Mass	154,925758049 ± 0,000010354 Da
g-factor	-0,22466666666667 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	9,9 ± 0,2 h
spin	3/2
nuclear quadrupole moment	0,96 ± 0,02
time of discovery or invention	1958
parity	-

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

¹⁵⁶Dy

mass number	156
neutron number	90
Relative Atomic Mass	155,924283593 ± 0,00000106 Da
g-factor	0
natural abundance	0,056 ± 0,003
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1948
parity	+

decay mode	intensity
α (α emission)
2β⁺ (double β⁺ decay)

¹⁵⁷Dy

mass number	157
neutron number	91
Relative Atomic Mass	156,925469555 ± 0,000005532 Da
g-factor	-0,20066666666667 ± 0,0013333333333333
natural abundance
radioactivity	☢️ radioactive element
half-life	8,14 ± 0,04 h
spin	3/2
nuclear quadrupole moment	1,29 ± 0,02
time of discovery or invention	1953
parity	-

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

¹⁵⁸Dy

mass number	158
neutron number	92
Relative Atomic Mass	157,924414817 ± 0,000002509 Da
g-factor	0
natural abundance	0,095 ± 0,003
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1938
parity	+

decay mode	intensity
α (α emission)
2β⁺ (double β⁺ decay)

¹⁵⁹Dy

mass number	159
neutron number	93
Relative Atomic Mass	158,925745938 ± 0,000001544 Da
g-factor	-0,236 ± 0,002
natural abundance
radioactivity	☢️ radioactive element
half-life	144,4 ± 0,2 d
spin	3/2
nuclear quadrupole moment	1,37 ± 0,02
time of discovery or invention	1951
parity	-

decay mode	intensity
ϵ (electron capture)	100%

¹⁶⁰Dy

mass number	160
neutron number	94
Relative Atomic Mass	159,925203578 ± 0,000000751 Da
g-factor	0
natural abundance	2,329 ± 0,018
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1938
parity	+

¹⁶¹Dy

mass number	161
neutron number	95
Relative Atomic Mass	160,926939425 ± 0,000000748 Da
g-factor	-0,1916 ± 0,0012
natural abundance	18,889 ± 0,042
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment	2,51 ± 0,02
time of discovery or invention	1934
parity	+

¹⁶²Dy

mass number	162
neutron number	96
Relative Atomic Mass	161,926804507 ± 0,000000746 Da
g-factor	0
natural abundance	25,475 ± 0,036
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1934
parity	+

¹⁶³Dy

mass number	163
neutron number	97
Relative Atomic Mass	162,928737221 ± 0,000000744 Da
g-factor	0,2684 ± 0,0016
natural abundance	24,896 ± 0,042
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment	2,65 ± 0,02
time of discovery or invention	1934
parity	-

¹⁶⁴Dy

mass number	164
neutron number	98
Relative Atomic Mass	163,929180819 ± 0,000000746 Da
g-factor	0
natural abundance	28,26 ± 0,054
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1934
parity	+

¹⁶⁵Dy

mass number	165
neutron number	99
Relative Atomic Mass	164,931709402 ± 0,000000748 Da
g-factor	-0,148 ± 0,0017142857142857
natural abundance
radioactivity	☢️ radioactive element
half-life	2,332 ± 0,004 h
spin	7/2
nuclear quadrupole moment	3,48 ± 0,07
time of discovery or invention	1935
parity	+

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

¹⁶⁶Dy

mass number	166
neutron number	100
Relative Atomic Mass	165,93281281 ± 0,000000862 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	81,6 ± 0,1 h
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1949
parity	+

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

¹⁶⁷Dy

mass number	167
neutron number	101
Relative Atomic Mass	166,935682415 ± 0,0000043 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	6,2 ± 0,08 m
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1960
parity	-

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

¹⁶⁸Dy

mass number	168
neutron number	102
Relative Atomic Mass	167,937134977 ± 0,000150303 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	8,7 ± 0,3 m
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1982
parity	+

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

¹⁶⁹Dy

mass number	169
neutron number	103
Relative Atomic Mass	168,940315231 ± 0,000322781 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	39 ± 8 s
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1990
parity

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

¹⁷⁰Dy

mass number	170
neutron number	104
Relative Atomic Mass	169,94234 ± 0,000215 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	54,9 ± 8 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2010
parity	+

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

¹⁷¹Dy

mass number	171
neutron number	105
Relative Atomic Mass	170,946312 ± 0,000215 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	4,07 ± 0,4 s
spin	7/2
nuclear quadrupole moment
time of discovery or invention	2012
parity	-

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

¹⁷²Dy

mass number	172
neutron number	106
Relative Atomic Mass	171,948728 ± 0,000322 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	3,4 ± 0,2 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2012
parity	+

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

¹⁷³Dy

mass number	173
neutron number	107
Relative Atomic Mass	172,953043 ± 0,000429 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	1,43 ± 0,2 s
spin	9/2
nuclear quadrupole moment
time of discovery or invention	2012
parity	+

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

¹⁷⁴Dy

mass number	174
neutron number	108
Relative Atomic Mass	173,955845 ± 0,000537 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2012
parity	+

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

¹⁷⁵Dy

mass number	175
neutron number	109
Relative Atomic Mass	174,960569 ± 0,000537 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2018
parity	-

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

¹⁷⁶Dy

mass number	176
neutron number	110
Relative Atomic Mass	175,963918 ± 0,000537 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	0
nuclear quadrupole moment	0
time of discovery or invention	2018
parity	+

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

lisoló

discoverer or inventor	Paul Émile Lecoq de Boisbaudran
location of discovery	France
time of discovery or invention	1886
etymology	Greek: dysprositos (hard to get at).
pronunciation	dis-PRO-si-em (lingɛlɛ́sa)

source

Abundance
Abundance in Earth's crust	5,2 mg/kg
natural abundance (ocean)	0,00000091 mg/L
natural abundance (human body)
natural abundance (meteoroid)	0,000027 %
natural abundance (Mói)	0,0000002 %
Abundance in Universe	0,0000002 %

Nuclear Screening Constants

1	s	1.2914
2	p	4.3204
2	s	17.2906
3	d	13.6701
3	p	20.1195
3	s	20.6067
4	d	34.982
4	f	39.464
4	p	32.174
4	s	31.408
5	p	48.873
5	s	46.696
6	s	57.6564

Diposu on ChemicalAid

dysprosium

ATC code	V10AX03
Australian Educational Vocabulary ID	scot/3515
CAS Registry Number	7429-91-6
ChEBI ID	33377
ChemSpider ID	22355
DSSTOX compound identifier	DTXCID3047631
DSSTox substance ID	DTXSID5064673
Den Store Danske ID	dysprosium
ECHA Substance Infocard ID	100.028.249
Elhuyar ZTH ID	022514
Encyclopædia Britannica Online ID	science/dysprosium
Encyclopædia Universalis ID	dysprosium
Freebase ID	/m/026rjl1
GND ID	4150953-5
Great Russian Encyclopedia Online ID	1958976
InChI	InChI=1S/Dy
InChIKey	KBQHZAAAGSGFKK-UHFFFAOYSA-N
KBpedia ID	Dysprosium
Library of Congress authority ID	sh85040345
MeSH descriptor ID	D004419
NALT ID	35045
Namuwiki ID	디스프로슘
National Library of Israel J9U ID	987007567963505171
OmegaWiki Defined Meaning	157663
OpenAlex ID	C525727330
PubChem CID	23912
RxNorm ID	1311482
Römpp online ID	RD-04-02914
Store norske leksikon ID	dysprosium
Treccani ID	disprosio
UNII	1D4N45714Q
USGS Thesaurus ID	1444
WordNet 3.1 Synset ID	14660825-n
YSO ID	38603
ZVG number	7660

Diposu (Dy)

Physical Property

Chemical Property

other

Isotopes of Dysprosium

138Dy

139Dy

140Dy

141Dy

142Dy

143Dy

144Dy

145Dy

146Dy

147Dy

148Dy

149Dy

150Dy

151Dy

152Dy

153Dy

154Dy

155Dy

156Dy

157Dy

158Dy

159Dy

160Dy

161Dy

162Dy

163Dy

164Dy

165Dy

166Dy

167Dy

168Dy

169Dy

170Dy

171Dy

172Dy

173Dy

174Dy

175Dy

176Dy

lisoló

source

Nuclear Screening Constants

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