You Do Need power plug adapter while traveling from Palau to Argentina.

Here is Why You Need An Adapter

The outlet and plug type used in Argentina are C and I and in Palau are A and B. This is how they look like.

In Palau, outlets of type A and B are in use.

Type A

Type B

In Argentina, outlets of type C and I are in use.

Type C

Type I

I am from

going to