| Bismuth |
|
83Bi
|
|
|
| Ìhànsójú |
lustrous silver
 |
| Àwọn ìdámọ́ wíwọ́pọ̀ |
| Orúkọ, àmì-ìdámọ́, nọ́mbà |
bismuth, Bi, 83 |
| Ẹ̀ka ẹ́límẹ̀nti |
post-transition metal |
| Ẹgbẹ́, àsìkò, àdìpò |
15, 6, p |
| Ìwúwo átọ́mù |
208.98040(1) |
| Ìtòléra ẹ̀lẹ́ktrónì |
[Xe] 4f14 5d10 6s2 6p3
2, 8, 18, 32, 18, 5 |
| Physical properties |
| Phase |
solid |
| Density (near r.t.) |
9.78 g·cm−3 |
| Liquid density at m.p. |
10.05 g·cm−3 |
| Melting point |
544.7 K, 271.5 °C, 520.7 °F |
| Boiling point |
1837 K, 1564 °C, 2847 °F |
| Heat of fusion |
11.30 kJ·mol−1 |
| Heat of vaporization |
151 kJ·mol−1 |
| Molar heat capacity |
25.52 J·mol−1·K−1 |
| Vapor pressure |
| P (Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T (K) |
941 |
1041 |
1165 |
1325 |
1538 |
1835 |
|
| Atomic properties |
| Oxidation states |
3, 5
(mildly acidic oxide) |
| Electronegativity |
2.02 (Pauling scale) |
Ionization energies
(more) |
1st: 703 kJ·mol−1 |
| 2nd: 1610 kJ·mol−1 |
| 3rd: 2466 kJ·mol−1 |
| Atomic radius |
156 pm |
| Covalent radius |
148±4 pm |
| Van der Waals radius |
207 pm |
| Miscellanea |
| Crystal structure |
rhombohedral
|
| Magnetic ordering |
diamagnetic |
| Electrical resistivity |
(20 °C) 1.29 µΩ·m |
| Thermal conductivity |
7.97 W·m−1·K−1 |
| Thermal expansion |
(25 °C) 13.4 µm·m−1·K−1 |
| Speed of sound (thin rod) |
(20 °C) 1790 m·s−1 |
| Young's modulus |
32 GPa |
| Shear modulus |
12 GPa |
| Bulk modulus |
31 GPa |
| Poisson ratio |
0.33 |
| Mohs hardness |
2.25 |
| Brinell hardness |
94.2 MPa |
| CAS registry number |
7440-69-9 |
| Àwọn ísótòpù dídúró jùlọ |
| Main article: Àwọn ísótòpù bismuth |
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|
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· r |
Bismuth (pípè /ˈbɪzməθ/, BIZ-məth) je ipilese elegbogi to ni ami-idamo Bi ati nomba atomu 83.
