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Bismuth |
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Pípè | /ˈbɪzməθ/ (BIZ-məth) |
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Ìhànsójú | lustrous silver |
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Ìwúwo átọ̀mù Ar, std(Bi) | 208.98040(1)[1] |
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Bismuth ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 83 |
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Ẹgbẹ́ | group 15 (pnictogens) |
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Àyè | àyè 6 |
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Àdìpọ̀ | Àdìpọ̀-p |
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Ẹ̀ka ẹ́límẹ́ntì | Post-transition metal |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Xe] 4f14 5d10 6s2 6p3 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 32, 18, 5 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | solid |
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Ìgbà ìyọ́ | 544.7 K (271.5 °C, 520.7 °F) |
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Ígbà ìhó | 1837 K (1564 °C, 2847 °F) |
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Kíki (near r.t.) | 9.78 g/cm3 |
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when liquid (at m.p.) | 10.05 g/cm3 |
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Heat of fusion | 11.30 kJ/mol |
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Heat of | 151 kJ/mol |
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Molar heat capacity | 25.52 J/(mol·K) |
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pressure
P (Pa)
|
1
|
10
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100
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1 k
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10 k
|
100 k
|
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at T (K)
|
941
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1041
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1165
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1325
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1538
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1835
|
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Atomic properties |
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Oxidation states | −3, −2, −1, +1, +2, +3, +4, +5 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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Electronegativity | Pauling scale: 2.02 |
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energies | |
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Atomic radius | empirical: 156 pm |
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Covalent radius | 148±4 pm |
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Van der Waals radius | 207 pm |
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Spectral lines of bismuth |
Other properties |
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Natural occurrence | primordial |
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Crystal structure | rhombohedral |
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Speed of sound thin rod | 1790 m/s (at 20 °C) |
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Thermal expansion | 13.4 µm/(m·K) (at 25 °C) |
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Thermal conductivity | 7.97 W/(m·K) |
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Electrical resistivity | 1.29 µ Ω·m (at 20 °C) |
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Magnetic ordering | diamagnetic |
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Young's modulus | 32 GPa |
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Shear modulus | 12 GPa |
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Bulk modulus | 31 GPa |
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Poisson ratio | 0.33 |
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Mohs hardness | 2.25 |
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Brinell hardness | 94.2 MPa |
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CAS Number | 7440-69-9 |
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Main isotopes of bismuth |
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Àdàkọ:Category-inline | references |