Padron:Infobox neptunium

Mula sa Wikipedia, ang malayang ensiklopedya
Neptunyo, 93Np
Neptunyo
Bigkas sa Ingles /nɛpˈtjniəm/ (nep-TEW-nee-əm)
Hitsurasilvery metallic
Bilang na pangmasa[237]
Neptunyo sa talahanayang peryodiko
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Pm

Np

(Uqs)
uraniumneptunyoplutonium
Atomikong bilang (Z)93
Pangkatn/a
Peryodoperyodo 7
Bloke  f-bloke
Konpigurasyon ng elektron[Rn] 5f4 6d1 7s2
Mga elektron bawat kapa2, 8, 18, 32, 22, 9, 2
Katangiang pisikal
Pase sa STPsolido
Punto ng pagkatunaw912±3 K ​(639±3 °C, ​1182±5 °F)
Punto ng pagkulo4447 K ​(4174 °C, ​7545 °F) (extrapolated)
Densidad (malapit sa r.t.)alpha: 20.45 g/cm3[1]
accepted standard value: 19.38 g/cm3
Init ng pusyon5.19 kJ/mol
Init ng baporisasyon336 kJ/mol
Molar na kapasidad ng init29.46 J/(mol·K)
Presyon ng singaw
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2194 2437
Katangiang atomiko
Mga estado ng oksidasyon+2, +3, +4,[2] +5, +6, +7 (isang anpoterong oksido)
ElektronegatibidadEskala ni Pauling: 1.36
Mga enerhiyang ionisasyon
  • Una: 604.5 kJ/mol
Radyong atomikoemperiko: 155 pm
Radyong Kobalente190±1 pm
Color lines in a spectral range
Mga linyang espektral ng neptunyo
Ibang katangian
Likas na paglitawmula sa pagkabulok
Kayarian ng krystalorthorhombic
Orthorhombic crystal structure for neptunyo
Termal na konduktibidad6.3 W/(m⋅K)
Elektrikal na resistibidad1.220 µΩ⋅m (at 22 °C)
Magnetikong pagsasaayosparamagnetic[3]
Bilang ng CAS7439-99-8
Kasaysayan
Pagpapangalanafter planet Neptune, itself named after Roman god of the sea Neptune
PagkakatuklasEdwin McMillan and Philip H. Abelson (1940)
Pangunahing isotopo ng neptunyo
Iso­topo Abudansya Half-life (t1/2) Paraan ng pagkabulok Produkto
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
Kategorya Kategorya: Neptunyo
t  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24)
See also Kategorya:Infobox element data sets (0)

Talababa

  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. Nakuha noong 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.
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