Chemistry, 12.07.2019 05:00 ChessieGiacalone
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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One similarity and one difference between an element and a mixture of elements
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Where would you find the element with least mass? will give 20 point's and brainliest if answer is...
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