Disprosium

Disprosium (Dy)

element with the atomic number of 66
Atomic Number66
Atomic Weight162.5
Massagetal164
Group
Period6
Blockf
proton66 p+
neutron98 n0
elektron66 e-
Animated Bohr model of Dy (Disprosium)

Physical Property

Atoomradius
175 pm
molar volume
Covalent Radius
167 pm
Metallic Radius
Ioonradius
107 pm
Crystal Radius
121 pm
Van der Waals radius
231 pm
density
8,55 g/cm³
Atomic Radii Of The Elements: Disprosium0153045607590105120135150165180195210225240pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
electron affinity
ionization energy
5,93905 eV/particle
ionization energy of Dy (Disprosium)
Verdampingswarmte
291 kJ/mol
smeltingswarmte
Vormingsentalpie
290,4 kJ/mol
elektron
Elektronskil2, 8, 18, 28, 8, 2
Bohr model: Dy (Disprosium)
Valenselektrone2
Lewisteorie: Dy (Disprosium)
elektronkonfigurasie[Xe] 4f10 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f10 6s2
Enhanced Bohr model of Dy (Disprosium)
Orbital Diagram of Dy (Disprosium)
Oksidasietoestand0, 2, 3, 4
Elektronegatiwiteit
1.22
Electrophilicity Index
0,8854697492974827 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
2 840,15 K
Melting Point
1 685,15 K
critical pressure
critical temperature
triple point
appearance
kleur
Silver
appearancesilvery white
Brekingsindeks
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
typeConductor
Geleidingsvermoë
1,1 MS/m
Elektriese resistiwiteit
0,00000091 m Ω
superconductivity
Magnetisme
typeparamagnetic
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 StructureSimple Hexagonal (HEX)
lattice constant
3,59 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Massamodulus
41 GPa
Skuifmodulus
25 GPa
Young se modulus
61 GPa
Poisson se verhouding
0,25
Spoed van klank
2 710 m/s
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number24
Mendeleev Number31
Pettifor Number25
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
163 ± 15 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
950
Neutron Mass Absorption
0,2
quantum number5I8
Ruimtegroep194 (P63/mmc)

Isotopes of Dysprosium

Stable Isotopes5
Unstable Isotopes34
Natural Isotopes7
Isotopic Composition16428.26%16428.26%16225.48%16225.48%16324.90%16324.90%16118.89%16118.89%1602.33%1602.33%1560.06%1560.06%1580.10%1580.10%

138Dy

Massagetal138
neutron number72
relative atomic mass
137,9625 ± 0,00054 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum
parity+

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

139Dy

Massagetal139
neutron number73
relative atomic mass
138,959527 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
600 ± 200 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1999
parity+

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

140Dy

Massagetal140
neutron number74
relative atomic mass
139,95402 ± 0,00043 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2002
parity+

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

141Dy

Massagetal141
neutron number75
relative atomic mass
140,95128 ± 0,00032 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
900 ± 140 ms
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1984
parity-

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

142Dy

Massagetal142
neutron number76
relative atomic mass
141,946194 ± 0,000782 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,3 ± 0,3 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1986
parity+

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

143Dy

Massagetal143
neutron number77
relative atomic mass
142,943994332 ± 0,000014 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,6 ± 1 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1983
parity+

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

144Dy

Massagetal144
neutron number78
relative atomic mass
143,939269512 ± 0,0000077 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,1 ± 0,4 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1986
parity+

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

145Dy

Massagetal145
neutron number79
relative atomic mass
144,937473992 ± 0,000007 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,5 ± 1 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1982
parity+

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

146Dy

Massagetal146
neutron number80
relative atomic mass
145,932844526 ± 0,000007187 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
33,2 ± 0,7 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1981
parity+

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

147Dy

Massagetal147
neutron number81
relative atomic mass
146,931082712 ± 0,0000095 Da
g-factor
-1,83 ± 0,018
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
67 ± 7 s
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1975
parity+

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

148Dy

Massagetal148
neutron number82
relative atomic mass
147,927149944 ± 0,000009365 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,3 ± 0,2 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1974
parity+

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

149Dy

Massagetal149
neutron number83
relative atomic mass
148,927327516 ± 0,000009858 Da
g-factor
-0,034 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,2 ± 0,14 m
spin7/2
nuclear quadrupole moment
-0,62 ± 0,05
ontdekkingsdatum1958
parity-

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

150Dy

Massagetal150
neutron number84
relative atomic mass
149,925593068 ± 0,000004636 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
7,17 ± 0,05 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1959
parity+

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

151Dy

Massagetal151
neutron number85
relative atomic mass
150,926191279 ± 0,000003486 Da
g-factor
-0,27 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
17,9 ± 0,3 m
spin7/2
nuclear quadrupole moment
-0,3 ± 0,05
ontdekkingsdatum1959
parity-

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

152Dy

Massagetal152
neutron number86
relative atomic mass
151,924725274 ± 0,00000493 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,38 ± 0,02 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1958
parity+

decay modeintensity
ϵ (electron capture)99.9%
α (α emission)0.1%

153Dy

Massagetal153
neutron number87
relative atomic mass
152,925771729 ± 0,000004295 Da
g-factor
-0,20342857142857 ± 0,0017142857142857
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,4 ± 0,1 h
spin7/2
nuclear quadrupole moment
-0,15 ± 0,09
ontdekkingsdatum1958
parity-

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

154Dy

Massagetal154
neutron number88
relative atomic mass
153,92442892 ± 0,000007977 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3 ± 1,5 My
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1961
parity+

decay modeintensity
α (α emission)100%
+ (double β+ decay)

155Dy

Massagetal155
neutron number89
relative atomic mass
154,925758049 ± 0,000010354 Da
g-factor
-0,22466666666667 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,9 ± 0,2 h
spin3/2
nuclear quadrupole moment
0,96 ± 0,02
ontdekkingsdatum1958
parity-

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

156Dy

Massagetal156
neutron number90
relative atomic mass
155,924283593 ± 0,00000106 Da
g-factor
0
natural abundance
0,056 ± 0,003
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1948
parity+

decay modeintensity
α (α emission)
+ (double β+ decay)

157Dy

Massagetal157
neutron number91
relative atomic mass
156,925469555 ± 0,000005532 Da
g-factor
-0,20066666666667 ± 0,0013333333333333
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,14 ± 0,04 h
spin3/2
nuclear quadrupole moment
1,29 ± 0,02
ontdekkingsdatum1953
parity-

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

158Dy

Massagetal158
neutron number92
relative atomic mass
157,924414817 ± 0,000002509 Da
g-factor
0
natural abundance
0,095 ± 0,003
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1938
parity+

decay modeintensity
α (α emission)
+ (double β+ decay)

159Dy

Massagetal159
neutron number93
relative atomic mass
158,925745938 ± 0,000001544 Da
g-factor
-0,236 ± 0,002
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
144,4 ± 0,2 d
spin3/2
nuclear quadrupole moment
1,37 ± 0,02
ontdekkingsdatum1951
parity-

decay modeintensity
ϵ (electron capture)100%

160Dy

Massagetal160
neutron number94
relative atomic mass
159,925203578 ± 0,000000751 Da
g-factor
0
natural abundance
2,329 ± 0,018
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1938
parity+

161Dy

Massagetal161
neutron number95
relative atomic mass
160,926939425 ± 0,000000748 Da
g-factor
-0,1916 ± 0,0012
natural abundance
18,889 ± 0,042
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
2,51 ± 0,02
ontdekkingsdatum1934
parity+

162Dy

Massagetal162
neutron number96
relative atomic mass
161,926804507 ± 0,000000746 Da
g-factor
0
natural abundance
25,475 ± 0,036
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity+

163Dy

Massagetal163
neutron number97
relative atomic mass
162,928737221 ± 0,000000744 Da
g-factor
0,2684 ± 0,0016
natural abundance
24,896 ± 0,042
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
2,65 ± 0,02
ontdekkingsdatum1934
parity-

164Dy

Massagetal164
neutron number98
relative atomic mass
163,929180819 ± 0,000000746 Da
g-factor
0
natural abundance
28,26 ± 0,054
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity+

165Dy

Massagetal165
neutron number99
relative atomic mass
164,931709402 ± 0,000000748 Da
g-factor
-0,148 ± 0,0017142857142857
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,332 ± 0,004 h
spin7/2
nuclear quadrupole moment
3,48 ± 0,07
ontdekkingsdatum1935
parity+

decay modeintensity
β (β decay)100%

166Dy

Massagetal166
neutron number100
relative atomic mass
165,93281281 ± 0,000000862 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
81,6 ± 0,1 h
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1949
parity+

decay modeintensity
β (β decay)100%

167Dy

Massagetal167
neutron number101
relative atomic mass
166,935682415 ± 0,0000043 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
6,2 ± 0,08 m
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1960
parity-

decay modeintensity
β (β decay)100%

168Dy

Massagetal168
neutron number102
relative atomic mass
167,937134977 ± 0,000150303 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,7 ± 0,3 m
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1982
parity+

decay modeintensity
β (β decay)100%

169Dy

Massagetal169
neutron number103
relative atomic mass
168,940315231 ± 0,000322781 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
39 ± 8 s
spin5/2
nuclear quadrupole moment
ontdekkingsdatum1990
parity

decay modeintensity
β (β decay)100%

170Dy

Massagetal170
neutron number104
relative atomic mass
169,94234 ± 0,000215 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
54,9 ± 8 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2010
parity+

decay modeintensity
β (β decay)100%

171Dy

Massagetal171
neutron number105
relative atomic mass
170,946312 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,07 ± 0,4 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2012
parity-

decay modeintensity
β (β decay)100%

172Dy

Massagetal172
neutron number106
relative atomic mass
171,948728 ± 0,000322 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,4 ± 0,2 s
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2012
parity+

decay modeintensity
β (β decay)100%

173Dy

Massagetal173
neutron number107
relative atomic mass
172,953043 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,43 ± 0,2 s
spin9/2
nuclear quadrupole moment
ontdekkingsdatum2012
parity+

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

174Dy

Massagetal174
neutron number108
relative atomic mass
173,955845 ± 0,000537 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2012
parity+

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

175Dy

Massagetal175
neutron number109
relative atomic mass
174,960569 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum2018
parity-

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

176Dy

Massagetal176
neutron number110
relative atomic mass
175,963918 ± 0,000537 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin0
nuclear quadrupole moment
0
ontdekkingsdatum2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Dysprosium1

geskiedenis

Ontdek deurPaul Émile Lecoq de Boisbaudran
ligging van ontdekkingFrance
ontdekkingsdatum1886
etimologieGreek: dysprositos (hard to get at).
uitspraakdis-PRO-si-em (Engels)

source

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

Nuclear Screening Constants

1s1.2914
2p4.3204
2s17.2906
3d13.6701
3p20.1195
3s20.6067
4d34.982
4f39.464
4p32.174
4s31.408
5p48.873
5s46.696
6s57.6564