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lawrencium
(redirected from Element 103)

    Also found in: 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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