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| Manganese |
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| Pípè | /ˈmæŋɡəniːz/ (MANG-gə-neez) |
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| Ìhànsójú | silvery metallic |
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| Ìwúwo átọ̀mù Ar, std(Mn) | 54.938043(2)[1] |
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| Manganese ní orí tábìlì àyè |
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| Nọ́mbà átọ̀mù (Z) | 25 |
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| Ẹgbẹ́ | group 7 |
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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] 3d5 4s2 |
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| Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 13, 2 |
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| Àwọn ohun ìní ara |
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| Ìfarahàn at STP | solid |
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| Ìgbà ìyọ́ | 1519 K (1246 °C, 2275 °F) |
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| Ígbà ìhó | 2334 K (2061 °C, 3742 °F) |
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| Kíki (near r.t.) | 7.21 g/cm3 |
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| when liquid (at m.p.) | 5.95 g/cm3 |
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| Heat of fusion | 12.91 kJ/mol |
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| Heat of | 221 kJ/mol |
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| Molar heat capacity | 26.32 J/(mol·K) |
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pressure| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
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| at T (K) | 1228 | 1347 | 1493 | 1691 | 1955 | 2333 |
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| Atomic properties |
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| Oxidation states | −3, −2, −1, 0, +1, +2, +3, +4, +5, +6, +7 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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| Electronegativity | Pauling scale: 1.55 |
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| energies | |
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| Atomic radius | empirical: 127 pm |
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| Covalent radius | 139±5 (low spin), 161±8 (high spin) pm |
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 Color lines in a spectral rangeSpectral lines of manganese |
| 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 | 5150 m/s (at 20 °C) |
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| Thermal expansion | 21.7 µm/(m·K) (at 25 °C) |
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| Thermal conductivity | 7.81 W/(m·K) |
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| Electrical resistivity | 1.44 µ Ω·m (at 20 °C) |
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| Magnetic ordering | paramagnetic |
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| Young's modulus | 198 GPa |
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| Bulk modulus | 120 GPa |
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| Mohs hardness | 6.0 |
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| Brinell hardness | 196 MPa |
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| CAS Number | 7439-96-5 |
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| Main isotopes of manganese |
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| Isotope | Abundance | Half-life (t1/2) | Decay mode | Product |
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| 52Mn | syn | 5.591 d | ε | - | 52Cr | | β+ | 0.575 | 52Cr | | γ | 0.7, 0.9, 1.4 | - | | 53Mn | trace | 3.74 ×106 y | ε | - | 53Cr | | 54Mn | syn | 312.3 d | ε | 1.377 | 54Cr | | γ | 0.834 | - | | 55Mn | 100% | 55Mn is stable with 30 neutrons |
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Àdàkọ:Category-inline
| references |
