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Fermyo

Gikan sa Wikipedia, ang gawasnong ensiklopedya
(Naredirek gikan sa Fermium)
Fermium
100Fm
Er

Fm

(Upb)
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Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
einsteiniumfermiummendelevium
Panagway
unknown
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan fermium, Fm, 100
Paglitok /[unsupported input]ˈfɜːrmiəm/
[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-mee-əm]]
Kategoriyang elemento aktinido
Group, period, block n/a7, f
Gibug-aton sa atomo (257)
Kontorno sa elektron [Rn] 5f12 7s2
2, 8, 18, 32, 30, 8, 2
Electron shells of fermium (2, 8, 18, 32, 30, 8, 2)
Electron shells of fermium (2, 8, 18, 32, 30, 8, 2)
History
Pagkadiskobre Lawrence Berkeley National Laboratory (1952)
Physical properties
Phase magahi
Melting point 1800 K, 1527 °C, 2781 °F
Atomic properties
Oxidation states 2, 3
Electronegativity 1.3 (Pauling scale)
Ionization energies 1st: 627 kJ·mol−1
Miscellanea
CAS registry number 7440-72-4
Most stable isotopes
Main article: Isotopes of fermium
iso NA half-life DM DE (MeV) DP
252Fm syn 25.39 h SF - -
α 7.153 248Cf
253Fm syn 3 d ε 0.333 253Es
α 7.197 249Cf
255Fm syn 20.07 h SF - -
α 7.241 251Cf
257Fm syn 100.5 d α 6.864 253Cf
SF - -
· r

Ang fermyo (Iningles fermium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Fm ug kaiphan nga atomik 100. Ang fermyo mao ang aktinido.

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