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How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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The number of protons an element has is its , whereas the number of electrons will determine ....
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