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Vanadium |
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Pípè | /vəˈneɪdiəm/ (və-NAY-dee-əm) |
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Ìhànsójú | blue-silver-grey metal |
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Ìwúwo átọ̀mù Ar, std(V) | 50.9415(1)[1] |
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Vanadium ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 23 |
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Ẹgbẹ́ | group 5 |
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Àyè | àyè 4 |
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Àdìpọ̀ | Àdìpọ̀-d |
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Ẹ̀ka ẹ́límẹ́ntì | Transition metal |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Ar] 3d3 4s2 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 11, 2 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | solid |
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Ìgbà ìyọ́ | 2183 K (1910 °C, 3470 °F) |
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Ígbà ìhó | 3680 K (3407 °C, 6165 °F) |
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Kíki (near r.t.) | 6.0 g/cm3 |
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when liquid (at m.p.) | 5.5 g/cm3 |
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Heat of fusion | 21.5 kJ/mol |
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Heat of | 459 kJ/mol |
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Molar heat capacity | 24.89 J/(mol·K) |
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pressure
P (Pa)
|
1
|
10
|
100
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1 k
|
10 k
|
100 k
|
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at T (K)
|
2101
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2289
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2523
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2814
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3187
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3679
|
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Atomic properties |
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Oxidation states | −3, −1, 0, +1, +2, +3, +4, +5 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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Electronegativity | Pauling scale: 1.63 |
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energies | |
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Atomic radius | empirical: 134 pm |
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Covalent radius | 153±8 pm |
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Spectral lines of vanadium |
Other properties |
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Natural occurrence | primordial |
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Crystal structure | (bcc) |
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Speed of sound thin rod | 4560 m/s (at 20 °C) |
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Thermal expansion | 8.4 µm/(m·K) (at 25 °C) |
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Thermal conductivity | 30.7 W/(m·K) |
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Electrical resistivity | 197 n Ω·m (at 20 °C) |
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Magnetic ordering | paramagnetic |
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Young's modulus | 128 GPa |
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Shear modulus | 47 GPa |
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Bulk modulus | 160 GPa |
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Poisson ratio | 0.37 |
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Mohs hardness | 6.7 |
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CAS Number | 7440-62-2 |
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Main isotopes of vanadium |
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Àdàkọ:Category-inline | references |