* Beryllium is a metal with a +2 charge (Be²⁺).
* Perbromate is the polyatomic ion BrO₄⁻.
To balance the charges, we need two perbromate ions for every beryllium ion:
* Be²⁺ + 2 BrO₄⁻ → Be(BrO₄)₂
Therefore, the chemical formula for beryllium perbromate is Be(BrO₄)₂.
