The correct name for the ionic compound NaBrO is Sodium hypobromite. Here's how we arrive at that:

* Na: Sodium (a Group 1 element, always forms +1 ions)

* BrO: Hypobromite ion (a polyatomic ion with a -1 charge)

The naming convention for oxyanions (polyatomic ions containing oxygen) with halogens (like bromine) follows this pattern:

* Hypo - ite (least oxygen)

* -ite (intermediate oxygen)

* -ate (most oxygen)

* Per - ate (highest oxygen)

Since BrO has only one oxygen, it is the "hypo" form of the bromate ion.