This article is about Aktinum. Pro Takinum was separated by William Crooks in 1900.In 1913, Kajimi Paans and Osvalt Hellmut Goting found a PA (half -life: 1.17 minutes) with short half -life in the U -collapse study.They called the name of the new element as Brebium (derived from Brevis, which means short in Latin);The name later changes to professional pakinum.(In Greek ῶ + ἀ, ί, "ahead of the light element." In 1918, two group scientists found PA.(Germany Austrian Austrian Riz Maitner, Ottohan, and the British Frederick Sodie and John Cranston) were narrowed to professional pakinum in 1949, which was special until 1960, with A. G. Maddeok in the UK.His partners extracted uranium and analyzed the remaining 60 tons of debris to create 130 grams of professional pakinium.
What did those who first discovered professional pakinum named this element?
Brevb