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Neodymium, 60Nd
 |
| Ki-pún sèng-chit |
|---|
| Miâ, hû-hō |
neodymium, Nd |
|---|
| Gōa-hêng |
silvery white |
|---|
| Neodymium tī chiu-kî-piáu lāi ê ūi-tì |
|---|
|
|
| Goân-chú-hoan |
60 |
|---|
| Goân-chú-liōng (±) |
144.242(3)[1] |
|---|
| Goân-sò͘ lūi-pia̍t |
lanthanum-hē |
|---|
| Cho̍k, hun-khu |
n/a, f khu |
|---|
| Chiu-kî |
tē 6 chiu-kî |
|---|
| Tiān-chú pâi-lia̍t |
[Xe] 4f4 6s2 |
|---|
| per shell |
2, 8, 18, 22, 8, 2 |
|---|
| Bu̍t-lí sèng-chit |
|---|
| Siòng |
solid |
|---|
| Iûⁿ-tiám |
1297 K (1024 °C, 1875 °F) |
|---|
| Hut-tiám |
3347 K (3074 °C, 5565 °F) |
|---|
| Bi̍t-tō͘ (sek-un) |
7.01 g·cm−3 |
|---|
|
6.89 g·cm−3 |
| Iûⁿ-hoà-jia̍t |
7.14 kJ·mol−1 |
|---|
| Cheng-hoat-jia̍t |
289 kJ·mol−1 |
|---|
| Jia̍t-iông-liōng |
27.45 J·mol−1·K−1 |
|---|
cheng-khì-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| tī T (K)
|
1595
|
1774
|
1998
|
(2296)
|
(2715)
|
(3336)
| |
| Goân-chú sèng-chit |
|---|
| Sng-hòa-sò͘ |
+4, +3, +2 (a mildly basic oxide) |
|---|
| Tiān-hū-tō͘ |
Pauling scale: 1.14 |
|---|
| Tiān-lī-lêng |
1st: 533.1 kJ·mol−1
2nd: 1040 kJ·mol−1
3rd: 2130 kJ·mol−1 |
|---|
| Goân-chú pòaⁿ-kèng |
empirical: 181 pm |
|---|
| Kiōng-kè pòaⁿ-kèng |
201±6 pm |
|---|
| Cha̍p-lio̍k |
|---|
| Chiⁿ-thé kò͘-chō |
double hexagonal close-packed (dhcp) |
|---|
| Siaⁿ-sok (sòe kùn-á) |
2330 m·s−1 (at 20 °C) |
|---|
| Jia̍t-phòng-tiòng |
α, poly: 9.6 µm·m−1·K−1 (at r.t.) |
|---|
| Jia̍t-thoân-tō-lu̍t |
16.5 W·m−1·K−1 |
|---|
| Tiān-chó͘-lu̍t |
α, poly: 643 nΩ·m |
|---|
| Chû-sèng |
paramagnetic, antiferromagnetic below 20 K[2] |
|---|
| Young hē-sò͘ |
α form: 41.4 GPa |
|---|
| Shear hē-sò͘ |
α form: 16.3 GPa |
|---|
| Bulk hē-sò͘ |
α form: 31.8 GPa |
|---|
| Poisson pí |
α form: 0.281 |
|---|
| Vickers ngē-tō͘ |
345–745 MPa |
|---|
| Brinell ngē-tō͘ |
265–700 MPa |
|---|
| CAS teng-kì pian-hō |
7440-00-8 |
|---|
| Le̍k-sú |
|---|
| Hoat-hiān |
Carl Auer von Welsbach (1885) |
|---|
| Chòe ún-tēng ê tông-ūi-sò͘ |
|---|
|
Chú bûn-chiong: neodymium ê tông-ūi-sò͘ |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 142Nd
|
27.2%
|
–
|
(SF)
|
<53.264
|
|
| 143Nd
|
12.2%
|
–
|
(α)
|
0.5214
|
139Ce
|
| 144Nd
|
23.8%
|
2.29×1015 y
|
α
|
1.905
|
140Ce
|
| 145Nd
|
8.3%
|
>6×1016 y
|
(α)
|
1.5784
|
141Ce
|
| 146Nd
|
17.2%
|
–
|
(α)
|
1.1822
|
142Ce
|
| (β−β−)
|
0.0702
|
146Sm
|
| 148Nd
|
5.7%
|
>3.0×1018 y
|
(α)
|
0.5986
|
144Ce
|
| (β−β−)
|
1.9288
|
148Sm
|
| 150Nd
|
5.6%
|
6.7×1018 y
|
β−β−
|
3.367
|
150Sm
| |
|
Decay modes in parentheses are predicted, but have not yet been observed |
Neodymium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 60, hoà-ha̍k hû-hō sī Nd.
