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card_40372.txt
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1989-08-27
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966b
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38 lines
-- card: 40372 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 14320
-- name: Fm
-- part contents for background part 14
----- text -----
Fm
-- part contents for background part 22
----- text -----
Fermium
-- part contents for background part 15
----- text -----
100
-- part contents for background part 17
----- text -----
(257)
-- part contents for background part 16
----- text -----
(after Enrico Fermi) Identified by Ghiorso in 1952 in debris from the first "hydrogen" bomb explosion in the Pacific Ocean in November 1952. The longest living isotope is is Fm-257 with a half-life of 80 days.
-- part contents for background part 23
----- text -----
rare earth metal, radioactive, 10 isotopes
-- part contents for background part 26
----- text -----
Electron Configuration:
1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f 6s 6p 6d 6f 7s
2 2 6 2 6 10 2 6 10 14 2 6 10 12 2 6 2