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lawrencium

   Also found in: Dictionary/thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
lawrencium /law·ren·ci·um/ (Lw) (law-ren´se-um) a chemical element, at. no. 103.
law·ren·ci·um (lô-rns-m, l-)
n. Symbol Lr
A radioactive synthetic element produced from californium and having isotopes with mass numbers 253 through 260 and half-lives of 650 milliseconds to 3 minutes; atomic number 103.
lawrencium (Lr)
[lôren′sē·əm]
Etymology: Ernest O. Lawrence, American physicist, 1901-1958
a synthetic transuranic metallic element. Its atomic number is 103, and its atomic mass is 257.
lawrencium
a chemical element, atomic number 103, atomic weight 257, symbol Lw. See Table 6.


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? Mentioned in ? References in periodicals archive
 
Atomic Voting number Name Symbol in favor(a) 101 Mendelevium Md 20 102 Nobelium No 20 103 Lawrencium Lr 20 104 Dubnium Db 19 105 Joliotium Jl 18 106 Rutherfordium Rf 18 107 Bohrium Bh 20 108 Hahnium Hn 19 109 Meitnerium Mt 20
Elemental upset by Science News
The chemical elements lawrencium, rutherfordium and hahnium hardly contribute to the stuff of everyday life.
A chemical glance at short-lived elements by Peterson, Ivars / Science News
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