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# What is the formula for barium bromide?

Apr 13, 2017

$B a B {r}_{2}$...............

#### Explanation:

Barium is an $\text{alkaline-earth metal}$............i.e. $\text{Group 2}$.

And thus barium commonly forms a $B {a}^{2 +}$ ion, just as the halogen bromine, commonly forms a $B {r}^{-}$. And hence the salt formed is $B a B {r}_{2}$.

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