Uranium

Science Science 8 of 8 appearances
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"Uranium" appearances by year

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All Science clues by year

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# Clue Answer As Given Value Round Category Air Date Show
The Encyclopedia Britannica calls it the most important of the actinoids uranium $1,600 DJ SCIENCE FOR "U" 2024-06-13 #9124
Around 1911 Arthur Holmes postulated Earth's age could be estimated by measuring the decay of this radioactive element into lead uranium $1,600 DJ SCIENCE 2022-05-31 #8652
It was an atom of this element that Otto Hahn split in 1938 uranium $800 DJ YOU BETTER KNOW SOME SCIENCE 2004-01-29 #4469
Named after a planet, its atomic number is 92 Uranium $1,600 DJ SCIENCE CLASS 2002-01-21 #4006
In 1911 Arthur Holmes used the decay of this element to lead to measure the age of the Earth Uranium $500 J EARTH SCIENCES 2001-06-19 #3882
It was an atom of this element that Otto Hahn split in 1938 Uranium $400 J 1930S SCIENCE 1998-09-25 #3230
This element has 3 natural isotopes: mass numbers 234, 235 & 238 uranium $400 J SCIENCE 1994-04-18 #2226
Heaviest element found in nature, named for a planet uranium $200 DJ SCIENCE 1985-02-04 #106
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