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Neptunyo

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(Naredirek gikan saNeptunium)


Neptunium
93Np
Pm
↑
Np
↓
(Uqp)
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
uranium ←neptunium →plutonium
Panagway
silvery metallic
Kinatibuk-ang mga kinaiya
Ngalan,simbolo,kaiphanneptunium, Np, 93
Paglitok/nɛpˈtjuːniəm/
[[Help:Pronunciation respelling key|nep-Plantilya:Smallcaps all-nee-əm]]
Kategoriyang elementoaktinido
Group,period,block[[group {{{group}}} element|{{{group}}}]], 7,f
Gibug-aton sa atomo(237)
Kontorno sa elektron[Rn] 5f4 6d1 7s2
2, 8, 18, 32, 22, 9, 2
Electron shells of neptunium (2, 8, 18, 32, 22, 9, 2)
Electron shells of neptunium (2, 8, 18, 32, 22, 9, 2)
History
PagkadiskobreEdwin McMillan andPhilip H. Abelson (1940)
Physical properties
Phasemagahi
Density (nearr.t.)20.45[1] g·cm−3
Melting point910 K, 637 °C, 1179 °F
Boiling point4273 K, 4000 °C, 7232 °F
Heat of fusion3.20kJ·mol−1
Heat of vaporization336 kJ·mol−1
Molar heat capacity29.46 J·mol−1·K−1
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)21942437    
Atomic properties
Oxidation states7, 6,5, 4, 3
(amphoteric oxide)
Electronegativity1.36 (Pauling scale)
Ionization energies1st: 604.5 kJ·mol−1
Atomic radius155pm
Covalent radius190±1 pm
Miscellanea
Crystal structureorthorhombic
Neptunium has a orthorhombic crystal structure
Magnetic orderingparamagnetic[2]
Electrical resistivity(22 °C) 1.220 µΩ·m
Thermal conductivity6.3 W·m−1·K−1
CAS registry number7439-99-8
Most stable isotopes
Main article:Isotopes of neptunium
isoNAhalf-lifeDMDE(MeV)DP
235Npsyn396.1 dα5.192231Pa
ε0.124235U
236Npsyn1.54×105 yε0.940236U
β−0.940236Pu
α5.020232Pa
237Nptrace2.144×106ySF & α4.959233Pa
239Nptrace2.356dβ−0.218239Pu
·r

Angneptunyo (Ininglesneptunium) mao angelementong kimiko satalaang peryodiko nga may simbolo ngaNp ug kaiphan nga atomik 93. Ang neptunyo mao angaktinido.

Ang mga gi basihan niini

[usba |usba ang wikitext]
  1. ↑Criticality of a237Np Sphere
  2. ↑Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.


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