Potassium bromide (KBr) is an ionic compound. Here's how to break it down into its ions:

* Potassium (K) is in group 1 of the periodic table, meaning it has a +1 charge when it forms an ion (K⁺).

* Bromine (Br) is in group 17 of the periodic table, meaning it has a -1 charge when it forms an ion (Br⁻).

Therefore, the ions for potassium bromide are K⁺ (potassium ion) and Br⁻ (bromide ion).