Nobelium

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Nobelium,  102No
General properties
Name, seembol nobelium, No
Pronunciation Listeni/nˈbɛliəm/ or /nˈbliəm/
noh-BEL-ee-əm or noh-BEE-lee-əm
Nobelium in the periodic cairt
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline yird metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline yird metal)
Aluminium (post-transeetion metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline yird metal)
Scandium (transeetion metal)
Titanium (transeetion metal)
Vanadium (transeetion metal)
Chromium (transeetion metal)
Manganese (transeetion metal)
Airn (transeetion metal)
Cobalt (transeetion metal)
Nickel (transeetion metal)
Capper (transeetion metal)
Zinc (transeetion metal)
Gallium (post-transeetion metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline yird metal)
Yttrium (transeetion metal)
Zirconium (transeetion metal)
Niobium (transeetion metal)
Molybdenum (transeetion metal)
Technetium (transeetion metal)
Ruthenium (transeetion metal)
Rhodium (transeetion metal)
Palladium (transeetion metal)
Siller (transeetion metal)
Cadmium (transeetion metal)
Indium (post-transeetion metal)
Tin (post-transeetion metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline yird metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transeetion metal)
Tantalum (transeetion metal)
Tungsten (transeetion metal)
Rhenium (transeetion metal)
Osmium (transeetion metal)
Iridium (transeetion metal)
Platinum (transeetion metal)
Gold (transeetion metal)
Mercur (transeetion metal)
Thallium (post-transeetion metal)
Leid (post-transeetion metal)
Bismuth (post-transeetion metal)
Polonium (post-transeetion metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline yird metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transeetion metal)
Dubnium (transeetion metal)
Seaborgium (transeetion metal)
Bohrium (transeetion metal)
Hassium (transeetion metal)
Meitnerium (unkent chemical properties)
Darmstadtium (unkent chemical properties)
Roentgenium (unkent chemical properties)
Copernicium (transeetion metal)
Ununtrium (unkent chemical properties)
Flerovium (post-transeetion metal)
Ununpentium (unkent chemical properties)
Livermorium (unkent chemical properties)
Ununseptium (unkent chemical properties)
Ununoctium (unkent chemical properties)
Yb

No

(Upq)
mendeleviumnobeliumlawrencium
Atomic nummer (Z) 102
Group, block group n/a, f-block
Period period 7
Element category   actinide
Staundart atomic wicht (Ar) [259]
Electron configuration [Rn] 5f14 7s2
per shell
2, 8, 18, 32, 32, 8, 2
Pheesical properties
Phase solid (predictit)[1]
Meltin pynt 1100 K ​(827 °C, ​1521 °F) (predictit)[1]
Atomic properties
Oxidation states 2, 3
Electronegativity Pauling scale: 1.3 (predictit)[2]
Ionisation energies 1st: 641.6 kJ/mol
2nt: 1254.3 kJ/mol
3rd: 2605.1 kJ/mol (aw estimatit)
Miscellanea
CAS Nummer 10028-14-5
History
Namin after Alfred Nobel
Diskivery Jynt Institute for Nuclear Research (1966)
Maist stable isotopes o nobelium
iso NA hauf-life DM DE (MeV) DP
253No syn 1.62 min 80% α 8.14, 8.06, 8.04, 8.01 249Fm
20% β+ 253Md
254No syn 51 s 90% α 250Fm
10% β+ 254Md
255No syn 3.1 min 61% α 8.12, 8.08, 7.93 251Fm
39% β+ 2.012 255Md
257No syn 25 s 99% α 8.32, 8.22 253Fm
1% β+ 257Md
259No syn 58 min 75% α 7.69, 7.61, 7.53.... 255Fm
25% ε 259Md
10% SF
· references

Nobelium is a synthetic chemical element wi seembol No an atomic nummer 102.

References[eedit | eedit soorce]

  1. 1.0 1.1 Lide, D. R., ed. (2003). CRC Handbook of Chemistry and Physics (84th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0484-9. 
  2. J.A. Dean, ed. (1999). Lange's Handbook of Chemistry (15 ed.). McGraw-Hill. Section 4; Table 4.5, Electronegativities of the Elements.