Holmium, 67Hongoi-kôn |
---|
silvery white
|
Kî-pún sin-sit |
---|
Miàng, fù-ho |
Holmium, Ho |
---|
ngoi-hìn |
silvery white |
---|
Holmium chhai chû-khì-péu ke vi-chi |
---|
|
ngièn-chṳ́ sì-sú |
67 |
---|
ngièn-chṳ́-liòng (±) |
164.93033(2)[1] |
---|
ngièn-su lui-phe̍t |
lanthanum-hi |
---|
Chhu̍k, fûn-khî |
n/a, f-block |
---|
chû-khì |
period 6 |
---|
thien-chṳ́ phài-lie̍t |
[Xe] 4f11 6s2 |
---|
per shell |
2, 8, 18, 29, 8, 2 |
---|
vu̍t-lî sin-chṳt |
---|
Siông |
ku-thí |
---|
yùng-tiám |
1734 K (1461 °C, 2662 °F) |
---|
pui-tiám |
2873 K (2600 °C, 4712 °F) |
---|
Me̍t-thu near Sit-vûn |
8.79 g·cm−3 |
---|
8.34 g·cm−3 |
Yùng-fa-ngie̍t |
17.0 kJ·mol−1 |
---|
Chîn-fat-ngie̍t |
251 kJ·mol−1 |
---|
Ngie̍t-yùng-liong |
27.15 J·mol−1·K−1 |
---|
chîn-hi-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
chhai T (K)
|
1432
|
1584
|
(1775)
|
(2040)
|
(2410)
|
(2964)
| |
Ngièn-chṳ́ sin-chṳt |
---|
Yông-fa-su |
3, 2, 1 (a basic oxide) |
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Thien-fu-sin |
Pauling scale: 1.23 |
---|
Thien-lì-nèn |
1st: 581.0 kJ·mol−1 2nd: 1140 kJ·mol−1 3rd: 2204 kJ·mol−1 |
---|
Ngièn-chṳ́ pan-kang |
empirical: 176 pm |
---|
Khiung-ka pan-kang |
192±7 pm |
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Miscellanea |
---|
Chîn-thí keu-chho |
hexagonal close-packed (hcp) |
---|
Sâng-suk thin rod |
2760 m·s−1 (at 20 °C) |
---|
Ngie̍t-phàng-chong |
poly: 11.2 µm·m−1·K−1 (at r.t.) |
---|
Ngie̍t-chhòn-thô-li̍t |
16.2 W·m−1·K−1 |
---|
Thien-chú-li̍t |
poly: 814 nΩ·m (at r.t.) |
---|
Chhṳ̀-sin |
paramagnetic |
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Young's modulus |
64.8 GPa |
---|
Shear modulus |
26.3 GPa |
---|
Bulk modulus |
40.2 GPa |
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Poisson ratio |
0.231 |
---|
Vickers hardness |
410–600 MPa |
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Brinell hardness |
500–1250 MPa |
---|
CAS Registry Number |
7440-60-0 |
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Le̍k-sú |
---|
Fat-hien |
Marc Delafontaine (1878) |
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Chui vún-thin ke thùng-vi-su |
---|
Chú vùn-chông: Holmium ke thùng-vi-su |
iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
163Ho
|
syn
|
4570 y
|
ε
|
0.003
|
163Dy
|
164Ho
|
syn
|
29 min
|
ε
|
0.987
|
164Dy
|
165Ho
|
100%
|
–
|
(α)
|
0.1394
|
161Tb
|
166Ho
|
syn
|
26.763 h
|
β−
|
1.855
|
166Er
|
167Ho
|
syn
|
3.1 h
|
β−
|
1.007
|
167Er
| |
Decay modes in parentheses are predicted, but have not yet been observed |
Holmium (Hon-ngî: 鈥 huǒ) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Ho, ngièn-chṳ́ su-muk he 67.