Problem: What monatomic ions would you expect radium (Z = 88) and selenium (Z = 34) to form?

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Recall: Metals tend to lose electrons and become positively charged ions called cations. On the other hand, nonmetals tend to gain electrons and become negatively charged ions called anions. This is because metals and nonmetals want to have the same number of electrons as noble gases when becoming ions.

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What monatomic ions would you expect radium (Z = 88) and selenium (Z = 34) to form?

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.