ngoi-kôn |
---|
gray metallic
 |
Kî-pún sin-sit |
---|
Miàng, fù-ho |
Molybdenum, Mo |
---|
ngoi-hìn |
gray metallic |
---|
Molybdenum chhai chû-khì-péu ke vi-chi |
---|
|
ngièn-chṳ́ sì-sú |
42 |
---|
ngièn-chṳ́-liòng (±) |
95.95(1)[1] |
---|
ngièn-su lui-phe̍t |
ko-thu kîm-su̍k |
---|
Chhu̍k, fûn-khî |
6 chhu̍k, d-block |
---|
chû-khì |
period 5 |
---|
thien-chṳ́ phài-lie̍t |
[Kr] 4d5 5s1 |
---|
per shell |
2, 8, 18, 13, 1 |
---|
vu̍t-lî sin-chṳt |
---|
Siông |
ku-thí |
---|
yùng-tiám |
2896 K (2623 °C, 4753 °F) |
---|
pui-tiám |
4912 K (4639 °C, 8382 °F) |
---|
Me̍t-thu near Sit-vûn |
10.28 g·cm−3 |
---|
9.33 g·cm−3 |
Yùng-fa-ngie̍t |
37.48 kJ·mol−1 |
---|
Chîn-fat-ngie̍t |
598 kJ·mol−1 |
---|
Ngie̍t-yùng-liong |
24.06 J·mol−1·K−1 |
---|
chîn-hi-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
| chhai T (K)
|
2742
|
2994
|
3312
|
3707
|
4212
|
4879
|
|
Ngièn-chṳ́ sin-chṳt |
---|
Yông-fa-su |
6, 5, 4, 3, 2, 1,[2] −1, −2, −4 (a strongly acidic oxide) |
---|
Thien-fu-sin |
Pauling scale: 2.16 |
---|
Thien-lì-nèn |
1st: 684.3 kJ·mol−1 2nd: 1560 kJ·mol−1 3rd: 2618 kJ·mol−1 |
---|
Ngièn-chṳ́ pan-kang |
empirical: 139 pm |
---|
Khiung-ka pan-kang |
154±5 pm |
---|
Miscellanea |
---|
Chîn-thí keu-chho |
body-centered cubic (bcc) |
---|
Sâng-suk thin rod |
5400 m·s−1 (at r.t.) |
---|
Ngie̍t-phàng-chong |
4.8 µm·m−1·K−1 (at 25 °C) |
---|
Ngie̍t-chhòn-thô-li̍t |
138 W·m−1·K−1 |
---|
Ngie̍t-khok-san-li̍t |
54.3 mm2·s−1 (at 300 K)[3] |
---|
Thien-chú-li̍t |
53.4 nΩ·m (at 20 °C) |
---|
Chhṳ̀-sin |
paramagnetic[4] |
---|
Young's modulus |
329 GPa |
---|
Shear modulus |
126 GPa |
---|
Bulk modulus |
230 GPa |
---|
Poisson ratio |
0.31 |
---|
Mohs hardness |
5.5 |
---|
Vickers hardness |
1400–2740 MPa |
---|
Brinell hardness |
1370–2500 MPa |
---|
CAS Registry Number |
7439-98-7 |
---|
Le̍k-sú |
---|
Fat-hien |
Carl Wilhelm Scheele (1778) |
---|
First isolation |
Peter Jacob Hjelm (1781) |
---|
Chui vún-thin ke thùng-vi-su |
---|
Chú vùn-chông: Molybdenum ke thùng-vi-su |
iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
---|
92Mo
|
14.84%
|
>1.9×1020 y
|
(β+β+)
|
1.6491
|
92Zr
| 93Mo
|
syn
|
4×103 y
|
ε
|
–
|
93Nb
| 94Mo
|
9.25%
|
–
|
(SF)
|
<4.485
|
| 95Mo
|
15.92%
|
–
|
(SF)
|
<4.531
|
| 96Mo
|
16.68%
|
–
|
(SF)
|
<5.771
|
| 97Mo
|
9.55%
|
–
|
(SF)
|
<6.226
|
| 98Mo
|
24.13%
|
>1×1014 y
|
(β−β−)
|
0.1125
|
98Ru
| 99Mo
|
syn
|
65.94 h
|
β−
|
0.436, 1.214
|
99mTc
| γ
|
0.74, 0.36, 0.14
|
–
| 100Mo
|
9.63%
|
7.8×1018 y
|
β−β− |
3.04
|
100Ru
|
|
Decay modes in parentheses are predicted, but have not yet been observed |