Fm (fermium)

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Fm

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

Fm symbol for the element fermium .

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Fm

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

Fm • symb. the chemical element fermium.

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fermium

World Encyclopedia | 2005 | © World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

fermium (symbol Fm) Radioactive metallic transuranic element of the actinide series. US nuclear scientist Albert Ghiorso (1915– ) and colleagues identified it in 1952 as a decay product of U255 from the first large hydrogen bomb explosion. Ten isotopes have subsequently been identified. Properties: at.no. 100; most stable isotope Fm257 (half-life 80 days).

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The symbols of the chemical elements.
Magazine article from: Word Ways; 2/1/2002; ; 700+ words ; ...protactinium U uranium Np neptunium Pu plutonium Am americium 96-100 Cm curium Bk berkelium Cf californium Es einsteinium Fm fermium 101-105 Md mendelevium No nobelium Lr lawrencium Unq unnilquadium Unp unnilpentium 106-109 Unh unnilhexium Uns unnilseptium...
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Magazine article from: Science World; 11/9/2009; 568 words ; ...transition metal 4. Which of the following is found in nature? A americium (Am) B dubnium (Db) C tin (Sn) D fermium (Fm) 5. Atomic mass equals the number of--plus the number of-- A protons, neutrons B electrons, protons C ions...
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Newspaper article from: Physics Week; 11/4/2008; 443 words ; ...of neutron-deficient fermium isotopes (N <...measured. The new isotope Fm-241 was identified...activity to the isotope Fm-242 could not be confirmed...of neutron-deficient fermium isotopes and the new nucleus Fm-241. European Physical...

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