Nobelyo

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Nobelium
102No
Yb

No

(Upq)
mendeleviumnobeliumlawrencium
Panagway
unknown
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan nobelium, No, 102
Paglitok Listeni/nˈbɛliəm/ [[Help:Pronunciation respelling key|noh-Plantilya:Smallcaps all-ee-əm]]
or /nˈbliəm/ [[Help:Pronunciation respelling key|noh-Plantilya:Smallcaps all-lee-əm]]
Kategoriyang elemento aktinido
Group, period, block [[group {{{group}}} element|{{{group}}}]], 7, f
Gibug-aton sa atomo [259]
Kontorno sa elektron [Rn] 5f14 7s2
2, 8, 18, 32, 32, 8, 2
Electron shells of nobelium (2, 8, 18, 32, 32, 8, 2)
History
Pagkadiskobre Joint Institute for Nuclear Research (1966)
Physical properties
Phase magahi (predicted)[1]
Melting point 1100 K, 827 °C, 1521 (predicted)[1] °F
Atomic properties
Oxidation states 2, 3
Electronegativity 1.3 (predicted)[2] (Pauling scale)
Ionization energies 1st: 641.6 kJ·mol−1
2nd: 1254.3 kJ·mol−1
3rd: 2605.1 kJ·mol−1
Miscellanea
CAS registry number 10028-14-5
Most stable isotopes
Main article: Isotopes of nobelium
iso NA half-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
only isotopes with half-lives over 5 seconds are included here
· r

Ang nobelyo (Iningles nobelium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga No ug kaiphan nga atomik 102. Ang nobelyo mao ang aktinido.

Ang mga gi basihan niini[usba | edit source]

  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), Lange's Handbook of Chemistry (15th Edition), McGraw-Hill, 1999; Section 4; Table 4.5, Electronegativities of the Elements.


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