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Calcium atoms have 20 protons, but tend to form ions with a 2+ charge. How many electrons does the ion have? *
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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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Chemistry, 22.06.2019 10:00, valdezlizbeth6652
Why is carbon ideal for making different compounds?
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Calcium atoms have 20 protons, but tend to form ions with a 2+ charge. How
many electrons does the...
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