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what is the symbol of a period 3 element that forms a +1 cation?

what is the symbol of a period 3 element that forms a +1 cation? write the symbol of an ion from group 7A with 10 electrons. what is the symbol of a cation from group 2A with 54 electrons

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period 3 element that forms a +1 cation: element is sodium (Na).  write the symbol... View the full answer

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