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Given the chemical formulas Na2O, MgO, and Al2O3, predict the formula for radioactive francium oxide, Fr?O?.

User Booboo
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2 Answers

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Fr2O

Fr and Na are both in group 1 meaning they both have a +1 charge and will form similar compounds.
User DeeV
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francium oxide Fr₂O

Francium, as well as sodium, is in 1A group. Its valency is equal to unit.

User Dawei
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