jakiyahporter0817
02.12.2019 •
Chemistry
Given the chemical formulas na2o, mgo, and al2o3, predict the formula for radioactive francium oxide, fr? o? .
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Ответ:
Francium, as well as sodium, is in 1A group. Its valency is equal to unit.
Ответ:
Fr and Na are both in group 1 meaning they both have a +1 charge and will form similar compounds.
Ответ: