Molibdénum, 42Mo |
Molibdénum
molibdenum· |
|---|
| Pabaosan | (mə-LIB-dən-əm) |
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| Cingakan | klau métalik |
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| Bobot atom standar Ar, std(Mo) | 7001959500000000000♠95.95(1)[1] |
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| Molibdénum ring tabél périodik |
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|
|
| Wilangan atom (Z) | 42 |
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| Watek | golongan 6 |
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| Période | période 5 |
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| Blok | blok-d |
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| Konpigurasi éléktron | [Kr] 4d5 5s1 |
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| Éléktron per kulit | 2, 8, 18, 13, 1 |
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| Cecirén pisik |
|---|
| Pase ring STP | padet |
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| Titik lebur | 2896 K (2623 °C, 4753 °F) |
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| Titik didih | 4912 K (4639 °C, 8382 °F) |
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| Kapadetan (nampek s.r.) | 10.28 g/cm3 |
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| ri kala éncéh (ring t.l.) | 9.33 g/cm3 |
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| Panes fusi | 37.48 kJ/mol |
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| Panes panguapan | 598 kJ/mol |
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| Kapasitas panes molar | 24.06 J/(mol·K) |
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Tekanan uap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| at T (K)
|
2742
|
2994
|
3312
|
3707
|
4212
|
4879
| |
| Cecirén atom |
|---|
| Paindikan oksidasi | −4, −2, −1, 0, +1,[2] +2, +3, +4, +5, +6 (oksida asam kuat) |
|---|
| Kaéléktronégatipan | skala Pauling: 2.16 |
|---|
| Wasa ionisasi | - ka-1: 684.3 kJ/mol
- ka-2: 1560 kJ/mol
- ka-3: 2618 kJ/mol
-
|
|---|
| Jeriji atom | émpiris: 139 pm |
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| Jeriji kovalén | 154±5 pm |
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 Garis spéktral saking molibdénum |
| Cecirén liyanan |
|---|
| Rupa alami | primordial |
|---|
| Struktur kristal | kubus mapusat badan (bcc) |
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| Kagelisan swara pales tipis | 5400 m/s (ring r.t.) |
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| Ékspansi térmal | 4.8 µm/(m⋅K) (ring 25 °C) |
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| Konduktivitas térmal | 138 W/(m⋅K) |
|---|
| Difusivitas termal | 54.3 mm2/s (at 300 K)[3] |
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| Resistivitas listrik | 53.4 nΩ⋅m (ring 20 °C) |
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| bacakan magnétik | paramagnétik[4] |
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| Karentanan magnétik molar | 6995890000000000000♠+89.0×10−6 cm3/mol (298 K)[5] |
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| Modulus Young | 329 GPa |
|---|
| Modulus Shear | 126 GPa |
|---|
| Modulus Bulk | 230 GPa |
|---|
| Rasio Poisson | 0.31 |
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| Kakatosan Mohs | 5.5 |
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| Kakatosan Vickers | 1400–2740 MPa |
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| Kakatosan Brinell | 1370–2500 MPa |
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| Nomor CAS | 7439-98-7 |
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| Lelintihan |
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| Panemuan | Carl Wilhelm Scheele (1778) |
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| Isolasi kapertama | Peter Jacob Hjelm (1781) |
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| Isotop utama molibdénum |
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 Kategori:Molibdénum
| pustaka |
Molibdénum silih tunggil datu kimia antuk simbol Mo miwah wilangan atom 42. Aran ipun saking Néo-Latin molybdaenum, mawit saking kurna Basa Yunani Kuna Μόλυβδος molybdos, artos ipun timah, mawinan ketah wiji nyané kasilur sareng timah.[6]
 |
Wikimédia Commons ngelah média sané matopik Molybdenum. |
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| Umum | |
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| Perpustakaan nasional | |
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| Lain-lain | |
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- ↑ Méija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
- ↑ "Molybdenum: molybdenum(I) fluoride compound data". OpenMOPAC.net. Kaaksés 2007-12-10.
- ↑ Lindemann, A.; Blumm, J. (2009). Measurement of the Thermophysical Properties of Pure Molybdenum. 3. 17th Plansee Seminar.
- ↑ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (édisi ka-86th). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
- ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
- ↑ Lide, David R., ed. (1994). "Molybdenum". CRC Handbook of Chemistry and Physics. 4. Chemical Rubber Publishing Company. p. 18. ISBN 978-0-8493-0474-3.
