Dysprosium

Dysprosium (Dy)

grundämne
Atomnummer66
Atommassa162.5
masstal164
Grupp
Period6
Blockf
Protoner66 p+
Neutroner98 n0
Electrons66 e-
Animated Bohrs atommodell of Dy (Dysprosium)

Egenskaper

atomradie
175 pm
molvolym
kovalent radie
167 pm
Metallic Radius
ionic radius
107 pm
Crystal Radius
121 pm
Van der Waalsradie
231 pm
densitet
8,55 g/cm³
energi
proton affinity
Elektronaffinitet
joniseringsenergi
5,93905 eV/particle
joniseringsenergi of Dy (Dysprosium)
ångbildningsvärme
291 kJ/mol
smältvärme
Bildningsentalpi
290,4 kJ/mol
Electrons
electron shell2, 8, 18, 28, 8, 2
Bohrs atommodell: Dy (Dysprosium)
valenselektron2
Elektronformel: Dy (Dysprosium)
elektronkonfiguration[Xe] 4f10 6s2
Enhanced Bohrs atommodell of Dy (Dysprosium)
Orbital Diagram of Dy (Dysprosium)
oxidationstal0, 2, 3, 4
elektronegativitet
1.22
Electrophilicity
0,8854697492974827 eV/particle
Phases
aggregationstillståndFast
Gas Phase
Kokpunkt
2 840,15 K
Smältpunkt
1 685,15 K
critical pressure
critical temperature
trippelpunkt
Visual
färg
Silver
appearancesilvery white
Brytningsindex
materialegenskap
Värmeledningsförmåga
10,7 W/(m K)
termisk expansion
0,00001 1/K
molar heat capacity
28,16 J/(mol K)
Specifik värmekapacitet
0,173 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
elektrisk konduktivitet
1,1 MS/m
resistivitet
0,00000091 m Ω
supraledare
magnetism
typeparamagnetic
magnetisk susceptibilitet (Mass)
0,00000545 m³/Kg
magnetisk susceptibilitet (Molar)
0,000000885625 m³/mol
magnetisk susceptibilitet (Volume)
0,046603
magnetic ordering
Curiepunkten
87 K
Néel temperature
178 K
Structure
KristallstrukturEnkelt hexagonalt (HEX)
Gitterkonstant
3,59 Å
Lattice Anglesπ/2, π/2, 2 π/3
mekanisk materialegenskap
hårdhet
Kompressibilitet
41 GPa
skjuvmodul
25 GPa
Young's modulus
61 GPa
Poissons konstant
0,25
ljudhastighet
2 710 m/s
klassificering
KategoriLantanoider, Lanthanides
CAS Group
IUPAC Group
Glawe Number24
Mendeleev Number31
Pettifor Number25
Geochemical Classrare earth & related
Goldschmidt classificationlitophile
övrigt
Gas Basicity
Dipole Polarizability
163 ± 15 a₀
C6 Dispersion Coefficient
Allotropes
Träffyta
950
Neutron Mass Absorption
0,2
kvanttal5I8
rymdgrupp194 (P63/mmc)

Dysprosiumisotoper

Stabila isotoper7
Instabila isotoper32
Radioactive Isotopes32

138Dy

natural abundanceRadioactive ☢️
relative atomic mass
137,9625 ± 0,00054 Da
masstal138
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum
Paritet+

138Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)%
β+ p (β+-delayed proton emission)%

139Dy

natural abundanceRadioactive ☢️
relative atomic mass
138,959527 ± 0,000537 Da
masstal139
g-factor
Halveringstid
600 ± 200 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1999
Paritet+

139Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)11%

140Dy

natural abundanceRadioactive ☢️
relative atomic mass
139,95402 ± 0,00043 Da
masstal140
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2002
Paritet+

140Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)%
β+ p (β+-delayed proton emission)%

141Dy

natural abundanceRadioactive ☢️
relative atomic mass
140,95128 ± 0,00032 Da
masstal141
g-factor
Halveringstid
900 ± 140 ms
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1984
Paritet-

141Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

142Dy

natural abundanceRadioactive ☢️
relative atomic mass
141,946194 ± 0,000782 Da
masstal142
g-factor
0
Halveringstid
2,3 ± 0,3 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1986
Paritet+

142Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)90%
ϵ (electron capture)10%
β+ p (β+-delayed proton emission)0.06%

143Dy

natural abundanceRadioactive ☢️
relative atomic mass
142,943994332 ± 0,000014 Da
masstal143
g-factor
Halveringstid
5,6 ± 1 s
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1983
Paritet+

143Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

144Dy

natural abundanceRadioactive ☢️
relative atomic mass
143,939269512 ± 0,0000077 Da
masstal144
g-factor
0
Halveringstid
9,1 ± 0,4 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1986
Paritet+

144Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

145Dy

natural abundanceRadioactive ☢️
relative atomic mass
144,937473992 ± 0,000007 Da
masstal145
g-factor
Halveringstid
9,5 ± 1 s
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1982
Paritet+

145Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)%

146Dy

natural abundanceRadioactive ☢️
relative atomic mass
145,932844526 ± 0,000007187 Da
masstal146
g-factor
0
Halveringstid
33,2 ± 0,7 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1981
Paritet+

146Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

147Dy

natural abundanceRadioactive ☢️
relative atomic mass
146,931082712 ± 0,0000095 Da
masstal147
g-factor
−1,83 ± 0,018
Halveringstid
67 ± 7 s
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1975
Paritet+

147Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.05%

148Dy

natural abundanceRadioactive ☢️
relative atomic mass
147,927149944 ± 0,000009365 Da
masstal148
g-factor
0
Halveringstid
3,3 ± 0,2 m
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1974
Paritet+

148Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

149Dy

natural abundanceRadioactive ☢️
relative atomic mass
148,927327516 ± 0,000009858 Da
masstal149
g-factor
−0,034 ± 0,002
Halveringstid
4,2 ± 0,14 m
Spinn7/2
nuclear quadrupole moment
−0,62 ± 0,05
upptäcktsdatum1958
Paritet-

149Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

150Dy

natural abundanceRadioactive ☢️
relative atomic mass
149,925593068 ± 0,000004636 Da
masstal150
g-factor
0
Halveringstid
7,17 ± 0,05 m
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1959
Paritet+

150Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)66.4%
α (α emission)33.6%

151Dy

natural abundanceRadioactive ☢️
relative atomic mass
150,926191279 ± 0,000003486 Da
masstal151
g-factor
−0,27 ± 0,002
Halveringstid
17,9 ± 0,3 m
Spinn7/2
nuclear quadrupole moment
−0,3 ± 0,05
upptäcktsdatum1959
Paritet-

151Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)94.4%
α (α emission)5.6%

152Dy

natural abundanceRadioactive ☢️
relative atomic mass
151,924725274 ± 0,00000493 Da
masstal152
g-factor
0
Halveringstid
2,38 ± 0,02 h
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1958
Paritet+

152Dy Decay Modes
decay modeIntensitet
ϵ (electron capture)99.9%
α (α emission)0.1%

153Dy

natural abundanceRadioactive ☢️
relative atomic mass
152,925771729 ± 0,000004295 Da
masstal153
g-factor
−0,20342857142857 ± 0,0017142857142857
Halveringstid
6,4 ± 0,1 h
Spinn7/2
nuclear quadrupole moment
−0,15 ± 0,09
upptäcktsdatum1958
Paritet-

153Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)99.9906%
α (α emission)0.0094%

154Dy

natural abundanceRadioactive ☢️
relative atomic mass
153,92442892 ± 0,000007977 Da
masstal154
g-factor
0
Halveringstid
3 ± 1,5 My
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1961
Paritet+

154Dy Decay Modes
decay modeIntensitet
α (α emission)100%
+ (double β+ decay)%

155Dy

natural abundanceRadioactive ☢️
relative atomic mass
154,925758049 ± 0,000010354 Da
masstal155
g-factor
−0,22466666666667 ± 0,002
Halveringstid
9,9 ± 0,2 h
Spinn3/2
nuclear quadrupole moment
0,96 ± 0,02
upptäcktsdatum1958
Paritet-

155Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

156Dy

natural abundance
0,056 ± 0,003
relative atomic mass
155,924283593 ± 0,00000106 Da
masstal156
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1948
Paritet+

156Dy Decay Modes
decay modeIntensitet
α (α emission)%
+ (double β+ decay)%

157Dy

natural abundanceRadioactive ☢️
relative atomic mass
156,925469555 ± 0,000005532 Da
masstal157
g-factor
−0,20066666666667 ± 0,0013333333333333
Halveringstid
8,14 ± 0,04 h
Spinn3/2
nuclear quadrupole moment
1,29 ± 0,02
upptäcktsdatum1953
Paritet-

157Dy Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

158Dy

natural abundance
0,095 ± 0,003
relative atomic mass
157,924414817 ± 0,000002509 Da
masstal158
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1938
Paritet+

158Dy Decay Modes
decay modeIntensitet
α (α emission)%
+ (double β+ decay)%

159Dy

natural abundanceRadioactive ☢️
relative atomic mass
158,925745938 ± 0,000001544 Da
masstal159
g-factor
−0,236 ± 0,002
Halveringstid
144,4 ± 0,2 d
Spinn3/2
nuclear quadrupole moment
1,37 ± 0,02
upptäcktsdatum1951
Paritet-

159Dy Decay Modes
decay modeIntensitet
ϵ (electron capture)100%

160Dy

natural abundance
2,329 ± 0,018
relative atomic mass
159,925203578 ± 0,000000751 Da
masstal160
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1938
Paritet+

161Dy

natural abundance
18,889 ± 0,042
relative atomic mass
160,926939425 ± 0,000000748 Da
masstal161
g-factor
−0,1916 ± 0,0012
Halveringstid
Spinn5/2
nuclear quadrupole moment
2,51 ± 0,02
upptäcktsdatum1934
Paritet+

162Dy

natural abundance
25,475 ± 0,036
relative atomic mass
161,926804507 ± 0,000000746 Da
masstal162
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1934
Paritet+

163Dy

natural abundance
24,896 ± 0,042
relative atomic mass
162,928737221 ± 0,000000744 Da
masstal163
g-factor
0,2684 ± 0,0016
Halveringstid
Spinn5/2
nuclear quadrupole moment
2,65 ± 0,02
upptäcktsdatum1934
Paritet-

164Dy

natural abundance
28,26 ± 0,054
relative atomic mass
163,929180819 ± 0,000000746 Da
masstal164
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1934
Paritet+

165Dy

natural abundanceRadioactive ☢️
relative atomic mass
164,931709402 ± 0,000000748 Da
masstal165
g-factor
−0,148 ± 0,0017142857142857
Halveringstid
2,332 ± 0,004 h
Spinn7/2
nuclear quadrupole moment
3,48 ± 0,07
upptäcktsdatum1935
Paritet+

165Dy Decay Modes
decay modeIntensitet
β (β decay)100%

166Dy

natural abundanceRadioactive ☢️
relative atomic mass
165,93281281 ± 0,000000862 Da
masstal166
g-factor
0
Halveringstid
81,6 ± 0,1 h
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1949
Paritet+

166Dy Decay Modes
decay modeIntensitet
β (β decay)100%

167Dy

natural abundanceRadioactive ☢️
relative atomic mass
166,935682415 ± 0,0000043 Da
masstal167
g-factor
Halveringstid
6,2 ± 0,08 m
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1960
Paritet-

167Dy Decay Modes
decay modeIntensitet
β (β decay)100%

168Dy

natural abundanceRadioactive ☢️
relative atomic mass
167,937134977 ± 0,000150303 Da
masstal168
g-factor
0
Halveringstid
8,7 ± 0,3 m
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1982
Paritet+

168Dy Decay Modes
decay modeIntensitet
β (β decay)100%

169Dy

natural abundanceRadioactive ☢️
relative atomic mass
168,940315231 ± 0,000322781 Da
masstal169
g-factor
Halveringstid
39 ± 8 s
Spinn5/2
nuclear quadrupole moment
upptäcktsdatum1990
Paritet

169Dy Decay Modes
decay modeIntensitet
β (β decay)100%

170Dy

natural abundanceRadioactive ☢️
relative atomic mass
169,94234 ± 0,000215 Da
masstal170
g-factor
0
Halveringstid
54,9 ± 8 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2010
Paritet+

170Dy Decay Modes
decay modeIntensitet
β (β decay)100%

171Dy

natural abundanceRadioactive ☢️
relative atomic mass
170,946312 ± 0,000215 Da
masstal171
g-factor
Halveringstid
4,07 ± 0,4 s
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum2012
Paritet-

171Dy Decay Modes
decay modeIntensitet
β (β decay)100%

172Dy

natural abundanceRadioactive ☢️
relative atomic mass
171,948728 ± 0,000322 Da
masstal172
g-factor
0
Halveringstid
3,4 ± 0,2 s
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2012
Paritet+

172Dy Decay Modes
decay modeIntensitet
β (β decay)100%

173Dy

natural abundanceRadioactive ☢️
relative atomic mass
172,953043 ± 0,000429 Da
masstal173
g-factor
Halveringstid
1,43 ± 0,2 s
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum2012
Paritet+

173Dy Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

174Dy

natural abundanceRadioactive ☢️
relative atomic mass
173,955845 ± 0,000537 Da
masstal174
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2012
Paritet+

174Dy Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%

175Dy

natural abundanceRadioactive ☢️
relative atomic mass
174,960569 ± 0,000537 Da
masstal175
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum2018
Paritet-

175Dy Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%

176Dy

natural abundanceRadioactive ☢️
relative atomic mass
175,963918 ± 0,000537 Da
masstal176
g-factor
0
Halveringstid
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum2018
Paritet+

176Dy Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
Dysprosium1.jpg

historia

upptäckare eller uppfinnarePaul Émile Lecoq de Boisbaudran
fyndplatsFrance
upptäcktsdatum1886
etymologiGreek: dysprositos (hard to get at).
uttaldis-PRO-si-em (engelska)

Sources

Förekomst
Abundance in Earth's crust
5,2 mg/kg
Abundance in Oceans
0,00000091 mg/L
Abundance in Human Body
Abundance in Meteor
0,000027 %
Abundance in Sun
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