You Do Need power plug adapter while traveling from Brazil to Bonaire.

Here is Why You Need An Adapter

The outlet and plug type used in Bonaire are A and C and in Brazil are C and N. This is how they look like.

Brazil

In Brazil, outlets of type C and N are in use.

Type C

Type N

Bonaire

In Bonaire, outlets of type A and C are in use.

Type A

Type C