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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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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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Chemistry, 22.06.2019 17:40, Snowball080717
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
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Sand: a grain of sand has approximately 1.69x10^4...
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