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单词 californium
释义

californiumn.

/kalɪˈfɔːnɪəm/
Etymology: < the University of California, where it was discovered, + -ium suffix.
A transuranic radioactive element; symbol Cf; atomic number 98.
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the world > matter > chemistry > elements and compounds > metals > specific elements > californium > [noun]
californium1950
Cf1950
1950 in Amer. Speech (1951) 26 291/2 Scientists have created a new element—Californium—carrying the heaviest atom ever known, it was announced Friday.
1954 Sci. News 32 109 Through the absorption of 13 successive neutrons and 4 emissions of electrons (beta decay), it [sc. plutonium-239] was converted into californium-252, which was separated chemically.
1969 Times 22 Apr. 6/6 Element 104 has successfully been synthesized by bombarding the artificial element californium.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2018).
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n.1950
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