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Q30: Otto Hahn and Fritz Strassmann discovered fission
Q33: Light is emitted as an electron transitions
Q38: Which of the following provides the minimum
Q58: If it takes 200 golf balls to
Q60: Radioactivity is a tendency for an element
Q67: A solid has a solubility at room
Q71: Which of the following nuclear equations correctly
Q72: Does putting a lid over a pot
Q89: Which of the above images represents a
Q143: What is the special property of a