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Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
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In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above
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27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.
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Element a has 15 protons. determine the number of neutrons in its isotope with mass number 33....
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