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lawrencium

[ law-ren-see-uhm ]

noun

, Chemistry.
  1. a synthetic, radioactive, metallic element. : Lr; : 103.


lawrencium

/ lɒˈrɛnsɪəm; lɔː- /

noun

  1. a transuranic element artificially produced from californium. Symbol: Lr; atomic no: 103; half-life of most stable isotope, 256Lr: 35 seconds; valency: 3


lawrencium

/ lô-rĕnsē-əm /

  1. A synthetic, radioactive metallic element of the actinide series that is produced by bombarding californium with boron ions. Its most stable isotope is Lr 262 with a half-life of 3.6 hours. Atomic number 103.


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Word History and Origins

Origin of lawrencium1

1960–65; Lawrence Radiation Laboratory, Berkeley, California + -ium

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Word History and Origins

Origin of lawrencium1

C20: named after Ernest Orlando Lawrence (1901–58), US physicist

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