Meitnerium | | Penampilan |
|---|
| tak diketahui | | Ciri-ciri umum |
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| Nama, lambang, Nomor atom | meitnerium, Mt, 109 |
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| Dibaca | /maɪtˈnɪəriəm/
myet-NEER-ee-əm
or /maɪtˈnɜriəm/
myet-NUR-ee-əm |
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| Jenis unsur | tak diketahui |
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| Catatan jenis | mungkin logam transisi |
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| Golongan, periode, blok | 9, 7, d |
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| Massa atom standar | [278] |
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| Konfigurasi elektron | [Rn] 7s2 5f14 6d7
(calculated)[1]
2, 8, 18, 32, 32, 15, 2
(predicted) |
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| Sifat fisika |
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| Fase | solid (predicted[2]) |
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| Sifat atom |
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| Bilangan oksidasi | 3, 4, 6[3]
(a guess based on that of iridium) |
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| Jari-jari kovalen | 129 (estimated)[4] pm |
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| Lain-lain |
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| Struktur kristal | face-centered cubic |
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| Pembenahan magnetik | paramagnetik (predicted)[5] |
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| Nomor CAS | 54038-01-6 |
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| Isotop paling stabil |
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| Artikel utama: Isotop dari meitnerium | | iso | NA | Waktu paruh | DM | DE (MeV) | DP |
|---|
| 278Mt | syn | 7.6 s | α | 9.6 | 274Bh | | 276Mt | syn | 0.72 s | α | 9.71 | 272Bh | | 274Mt | syn | 0.44 s | α | 9.76 | 270Bh | | 270mMt ? | syn | 1.1 s | α | | 266Bh |
| | · r |
Meitnerium (pengucapan /maɪtˈnɜriəm/) adalah unsur kimia dalam sistem periodik unsur yang memiliki lambang Mt dan nomor atom 109. Mt adalah Unsur kimia sintetik dengan isotop yang paling stabil Mt-278. Referensi- ^ Thierfelder, C.; Schwerdtfeger, P.; Heßberger, F. P.; Hofmann, S. (2008). "Dirac-Hartree-Fock studies of X-ray transitions in meitnerium". The European Physical Journal A 36 (2): 227. Bibcode:2008EPJA...36..227T. doi:10.1140/epja/i2008-10584-7.
- ^
bcc - ^ Haire, Richard G. (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. p. 1674. ISBN 1-4020-3555-1.
- ^ Chemical Data. Meitnerium - Mt, Royal Chemical Society
- ^ Saito, Shiro L. (2009). "Hartree–Fock–Roothaan energies and expectation values for the neutral atoms He to Uuo: The B-spline expansion method". Atomic Data and Nuclear Data Tables 95 (6): 836. Bibcode:2009ADNDT..95..836S. doi:10.1016/j.adt.2009.06.001.
Sumber :
wiki.andrafarm.com, id.wikipedia.org, diskusi.biz, dsb. |
