Hydrogen, the most abundant element in the universe, is the main component of most stars and makes up more than 90 percent of mass in the universe. Yet hydrogen is the smallest and lowest-mass of all the

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asked Feb 5, 2022 46.5k views

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Hydrogen, the most abundant element in the universe, is the main component of most stars and makes up more than 90 percent of mass in the universe. Yet hydrogen is the smallest and lowest-mass of all the elements, consisting of only a single proton and single electron.

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