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Stage in which a typical star has completely stopped fusion
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Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
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Which of the following is not a place where hydrogen can be found on Earth?
A) Natural gas well
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