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When an electron falls to a lower energy level, a is emitted.
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Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.
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How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
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When an electron falls to a lower energy level, a is emitted....
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