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Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
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Can someone me out on this question for my national 5 chemistry homework
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How much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol
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How many atoms are in a 4.67 g sample of silicon?...
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