Question
Predict the charges of the ions in an ionic compound containing the elements barium and bromine. Write the formula for the compound.
Step 1
Barium (Ba) is in group 2, which means it tends to lose 2 electrons and form a cation with a +2 charge. Bromine (Br), on the other hand, is in group 7, which means it tends to gain 1 electron and form an anion with a -1 charge. Show more…
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