You and several novice researchers decide to set up some experiments in an attempt to explain why potassium reacts with oxygen to form a superoxide. One of your team members proposes that potassium's capacity to form a superoxide compound is related to a low value for the first ionization energy. If you wanted to validate this hypothesis, indicate two metals other than potassium (in order of increasing atomic number) that you could examine to see if they also form superoxides when reacted with oxygen gas.
Required:
Express your answers as chemical symbols separated by a comma.
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You and several novice researchers decide to set up some experiments in an attempt to explain why po...
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