Disprożjum, ²Disprosju

Disprożjum, ²Disprosju (Dy)

element with the atomic number of 66
Atomic Number66
Atomic Weight162.5
mass number164
Group
Period6
Blockf
proton66 p+
neutron98 n0
elettron66 e-
Animated Bohr model of Dy (Disprożjum, ²Disprosju)

Physical Property

Atomic Radius
175 pm
molar volume
covalent radius
167 pm
Metallic Radius
ionic radius
107 pm
Crystal Radius
121 pm
Van der Waals radius
231 pm
densità
8.55 g/cm³
Atomic Radii Of The Elements: Disprożjum, ²Disprosju0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

enerġija
proton affinity
electron affinity
ionization energy
5.93905 eV/particle
ionization energy of Dy (Disprożjum, ²Disprosju)
enthalpy of vaporization
291 kJ/mol
enthalpy of fusion
standard enthalpy of formation
290.4 kJ/mol
elettron
electron shell2, 8, 18, 28, 8, 2
Bohr model: Dy (Disprożjum, ²Disprosju)
valence electron2
Lewis structure: Dy (Disprożjum, ²Disprosju)
electron configuration[Xe] 4f10 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f10 6s2
Enhanced Bohr model of Dy (Disprożjum, ²Disprosju)
Orbital Diagram of Dy (Disprożjum, ²Disprosju)
oxidation number0, 2, 3, 4
electronegativity
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
kulur
Silver
appearancesilvery 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
typeConductor
electrical conductivity
1.1 MS/m
electrical resistivity
0.00000091 m Ω
superconductivity
magnetism
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
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
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
space group194 (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

mass number138
neutron number72
relative atomic mass
137.9625 ± 0.00054 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

139Dy

mass number139
neutron number73
relative atomic mass
138.959527 ± 0.000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
600 ± 200 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention1999
parity+

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

140Dy

mass number140
neutron number74
relative atomic mass
139.95402 ± 0.00043 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2002
parity+

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

141Dy

mass number141
neutron number75
relative atomic mass
140.95128 ± 0.00032 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
900 ± 140 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1984
parity-

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

142Dy

mass number142
neutron number76
relative atomic mass
141.946194 ± 0.000782 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2.3 ± 0.3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1986
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

mass number143
neutron number77
relative atomic mass
142.943994332 ± 0.000014 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5.6 ± 1 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1983
parity+

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

144Dy

mass number144
neutron number78
relative atomic mass
143.939269512 ± 0.0000077 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
9.1 ± 0.4 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1986
parity+

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

145Dy

mass number145
neutron number79
relative atomic mass
144.937473992 ± 0.000007 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9.5 ± 1 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

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

146Dy

mass number146
neutron number80
relative atomic mass
145.932844526 ± 0.000007187 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
33.2 ± 0.7 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1981
parity+

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

147Dy

mass number147
neutron number81
relative atomic mass
146.931082712 ± 0.0000095 Da
g-factor
-1.83 ± 0.018
natural abundance
radioactivity☢️ radioactive element
half-life
67 ± 7 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1975
parity+

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

148Dy

mass number148
neutron number82
relative atomic mass
147.927149944 ± 0.000009365 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3.3 ± 0.2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1974
parity+

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

149Dy

mass number149
neutron number83
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
spin7/2
nuclear quadrupole moment
-0.62 ± 0.05
time of discovery or invention1958
parity-

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

150Dy

mass number150
neutron number84
relative atomic mass
149.925593068 ± 0.000004636 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
7.17 ± 0.05 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1959
parity+

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

151Dy

mass number151
neutron number85
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
spin7/2
nuclear quadrupole moment
-0.3 ± 0.05
time of discovery or invention1959
parity-

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

152Dy

mass number152
neutron number86
relative atomic mass
151.924725274 ± 0.00000493 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2.38 ± 0.02 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1958
parity+

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

153Dy

mass number153
neutron number87
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
spin7/2
nuclear quadrupole moment
-0.15 ± 0.09
time of discovery or invention1958
parity-

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

154Dy

mass number154
neutron number88
relative atomic mass
153.92442892 ± 0.000007977 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3 ± 1.5 My
spin0
nuclear quadrupole moment
0
time of discovery or invention1961
parity+

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

155Dy

mass number155
neutron number89
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
spin3/2
nuclear quadrupole moment
0.96 ± 0.02
time of discovery or invention1958
parity-

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

156Dy

mass number156
neutron number90
relative atomic mass
155.924283593 ± 0.00000106 Da
g-factor
0
natural abundance
0.056 ± 0.003
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention1948
parity+

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

157Dy

mass number157
neutron number91
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
spin3/2
nuclear quadrupole moment
1.29 ± 0.02
time of discovery or invention1953
parity-

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

158Dy

mass number158
neutron number92
relative atomic mass
157.924414817 ± 0.000002509 Da
g-factor
0
natural abundance
0.095 ± 0.003
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

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

159Dy

mass number159
neutron number93
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
spin3/2
nuclear quadrupole moment
1.37 ± 0.02
time of discovery or invention1951
parity-

decay modeintensity
ϵ (electron capture)100%

160Dy

mass number160
neutron number94
relative atomic mass
159.925203578 ± 0.000000751 Da
g-factor
0
natural abundance
2.329 ± 0.018
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

161Dy

mass number161
neutron number95
relative atomic mass
160.926939425 ± 0.000000748 Da
g-factor
-0.1916 ± 0.0012
natural abundance
18.889 ± 0.042
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
2.51 ± 0.02
time of discovery or invention1934
parity+

162Dy

mass number162
neutron number96
relative atomic mass
161.926804507 ± 0.000000746 Da
g-factor
0
natural abundance
25.475 ± 0.036
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

163Dy

mass number163
neutron number97
relative atomic mass
162.928737221 ± 0.000000744 Da
g-factor
0.2684 ± 0.0016
natural abundance
24.896 ± 0.042
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
2.65 ± 0.02
time of discovery or invention1934
parity-

164Dy

mass number164
neutron number98
relative atomic mass
163.929180819 ± 0.000000746 Da
g-factor
0
natural abundance
28.26 ± 0.054
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

165Dy

mass number165
neutron number99
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
spin7/2
nuclear quadrupole moment
3.48 ± 0.07
time of discovery or invention1935
parity+

decay modeintensity
β (β decay)100%

166Dy

mass number166
neutron number100
relative atomic mass
165.93281281 ± 0.000000862 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
81.6 ± 0.1 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

decay modeintensity
β (β decay)100%

167Dy

mass number167
neutron number101
relative atomic mass
166.935682415 ± 0.0000043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6.2 ± 0.08 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1960
parity-

decay modeintensity
β (β decay)100%

168Dy

mass number168
neutron number102
relative atomic mass
167.937134977 ± 0.000150303 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8.7 ± 0.3 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

decay modeintensity
β (β decay)100%

169Dy

mass number169
neutron number103
relative atomic mass
168.940315231 ± 0.000322781 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
39 ± 8 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1990
parity

decay modeintensity
β (β decay)100%

170Dy

mass number170
neutron number104
relative atomic mass
169.94234 ± 0.000215 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
54.9 ± 8 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2010
parity+

decay modeintensity
β (β decay)100%

171Dy

mass number171
neutron number105
relative atomic mass
170.946312 ± 0.000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4.07 ± 0.4 s
spin7/2
nuclear quadrupole moment
time of discovery or invention2012
parity-

decay modeintensity
β (β decay)100%

172Dy

mass number172
neutron number106
relative atomic mass
171.948728 ± 0.000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3.4 ± 0.2 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

decay modeintensity
β (β decay)100%

173Dy

mass number173
neutron number107
relative atomic mass
172.953043 ± 0.000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.43 ± 0.2 s
spin9/2
nuclear quadrupole moment
time of discovery or invention2012
parity+

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

174Dy

mass number174
neutron number108
relative atomic mass
173.955845 ± 0.000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

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

175Dy

mass number175
neutron number109
relative atomic mass
174.960569 ± 0.000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2018
parity-

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

176Dy

mass number176
neutron number110
relative atomic mass
175.963918 ± 0.000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2018
parity+

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

storja

discoverer or inventorPaul Émile Lecoq de Boisbaudran
location of discoveryFrance
time of discovery or invention1886
etimoloġijaGreek: dysprositos (hard to get at).
pronunciationdis-PRO-si-em (Ingliż)

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 (Xemx)
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