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Mal:Kotak info néptunium

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Néptunium, 93Np
Néptunium
neptuniyum·
Pabaosan/nɛpˈtjuːniəm/ ​(nep-TEW-nee-əm)
Cingakansilvery metallic
Nomor massa[237]
Néptunium ring tabél périodik
Hidrogén Hélium
Litium Bérilium Boron Karbon Nitrogén Oksigén Fluorin Néon
Natrium Magnésium Aluminium Silikon Phosfor Urirang Klorin Argon
Potasium Kalsium Skandium Titanium Vanadium Kromium Mangan (datu) Wesi Kobalt Nikel Temaga Séng Gallium Gérmanium Arsenik Sélénium Brom Kripton
Rubidium Strontium Ittrium Zirkonium Niobium Molibdénum Téknésium Ruthénium Rhodium Palladium Pérak Kadmium Indium Timah Antimoni Téllurium Yodium Xénon
Sésium Barium Lanthanum Sérium Praséodimium Néodimium Prométhium Samarium Éuropium Gadolinium Terbium Disprosium Holmium Érbium Thulium Itterbium Lutésium Hafnium Tantalum Tungstén Rhénium Osmium Iridium Platinum Mas Rasa (datu) Thallium Timbal Bismuth Polonium Astatin Radon
Fransium Radium Aktinium Thorium Protaktinium Uranium Néptunium Plutonium Amérisium Curium Berkélium Kalifornium Éinsteinium Fermium Méndelevium Nobélium Lawrénsium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnérium Darmstadtium Roéntgénium Kopernikium Nihonium Flérovium Moskovium Livermorium Ténnessin Oganésson
 Pm
↑
Np
↓
(Uqs)
uranium ← néptunium → plutonium
Wilangan atom (Z)93
Watekn/a
Périodepériode 7
Blok  blok-f
Konpigurasi éléktron[Rn] 5f4 6d1 7s2
Éléktron per kulit2, 8, 18, 32, 22, 9, 2
Cecirén pisik
Pase ring STPpadet
Titik lebur912±3 K ​(639±3 °C, ​1182±5 °F)
Titik didih4447 K ​(4174 °C, ​7545 °F) (extrapolated)
Kapadetan (nampek s.r.)alpha: 20.45 g/cm3[1]
accepted standard value: 19.38 g/cm3
Panes fusi5.19 kJ/mol
Panes panguapan336 kJ/mol
Kapasitas panes molar29.46 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2194 2437
Cecirén atom
Paindikan oksidasi+2, +3, +4,[2] +5, +6, +7 (oksida ampotér)
Kaéléktronégatipanskala Pauling: 1.36
Wasa ionisasi
  • ka-1: 604.5 kJ/mol
Jeriji atomémpiris: 155 pm
Jeriji kovalén190±1 pm
Garis warna ring pentang spéktrum
Garis spéktral saking néptunium
Cecirén liyanan
Struktur kristal ​ortorombus
Orthorhombic crystal structure for néptunium
Konduktivitas térmal6.3 W/(m⋅K)
Resistivitas listrik1.220 µΩ⋅m (at 22 °C)
bacakan magnétikparamagnetic[3]
Nomor CAS7439-99-8
Lelintihan
Pangaranansaking planét Néptunus, punika kaparinamain saking déwa segara Romawi Néptunus
PanemuanEdwin McMillan miwah Philip H. Abelson (1940)
Isotop utama néptunium
Iso­top Kalimpahan Paruh-idup (t1/2) Mode paluruhan Pro­duk
235Np syn 396.1 d α 231Pa
ε 235U
236Np syn 1.54×105 y ε 236U
β− 236Pu
α 232Pa
237Np trace 2.144×106 y α 233Pa
239Np trace 2.356 d β− 239Pu
Kategori:Néptunium
| pustaka
U ←

i'box U
iso
93Np (U)
 → Pu

i'box Pu

  Pupulan data kabaca olih {{Infobox element}}
Aran miwah pangenal
Gambar duur (sesirah, alt)
Cara pabaosan
Kategori (banwiki) depr
Bobot atom standar
  isotop pinih tegteg
Rupa alami
Pase ring STP
Paindikan oksidasi
Gambar garis spéktrum
Konpigurasi éléktron (cmt, ref)
Simbol paistilah * (cmt, ref)
Wikidata *
* Nénten kaanggén malih {{Infobox element}} (2019-02-03)
Cingak taler {{Infobox element/symbol-to--navbox}}

Pustaka

Pustaka pacang tampil ring suratan, menawi lis puniki wantah tampil ring kaca puniki.
  1. ↑ Sanchez, Rene G.; Loaiza, David J.; Kimpland, Robert H.; Hayes, David K.; Cappiello, Charlene C.; Myers, William L.; Jaegers, Peter J.; Clement, Steven D.; Butterfield, Kenneth B. "Criticality of a 237Np Sphere" (PDF). Japanese Atomic Energy Agency. Kaaksés 2014-08-06.
  2. ↑ Np(II), (III) and (IV) have been observed, see Dutkiewicz, Michał S.; Apostolidis, Christos; Walter, Olaf; Arnold, Polly L (2017). "Reduction chemistry of neptunium cyclopentadienide complexes: from structure to understanding". Chem. Sci. 8 (4): 2553–2561. doi:10.1039/C7SC00034K. PMC 5431675. PMID 28553487.
  3. ↑ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
  4. ↑ Error: Unable to display the reference from Wikidata properly. Technical details:
    • Reason for the failure of {{Cite web}}: The Wikidata reference contains the property DOI (P356), which is not assigned to any parameter of this template.
    • Reason for the failure of {{Cite Q}}: The output template call would miss the mandatory parameter 1.
    See the documentation for further details.
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