hydrogen

Physics Science 5 of 5 appearances
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# Clue Answer As Given Value Round Category Air Date Show
Every second, our sun creates energy by the nuclear fusion of 600 million tons of this element into helium hydrogen $1,600 DJ PHYSICS GLOSSARY 2020-06-05 #8230
(Cheryl of the Clue Crew presents from the Plasma Physics Lab at Princeton.) As fuel, fusion reactors use deuterium & tritium, isotopes of this element that contains one proton & one electron hydrogen $800 DJ PLASMA PHYSICS 2007-03-01 #5179
Uranium is the heaviest natural element; this is the lightest hydrogen $200 DJ NUCLEAR PHYSICS 1992-01-30 #1714
Deuterium is a heavy isotope of this element hydrogen $1,000 DJ PHYSICS 1991-11-13 #1658
Deuterium is the "heavy" isotope of this element hydrogen $1,000 DJ NUCLEAR PHYSICS 1985-01-01 #82
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