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Which of the following elements has one proton and three neutrons?
Which element would be produced from the nuclear fusion of helium-3 and helium-4?
Which of the following nuclei collided and reacted with helium-4 to produce lithium-7 and a photon?
Which particle would result in the collision and reaction between two deuterium nuclei?
Which of the following scientists discovered the cosmic microwave background radiation?