In English it's a lot easier than in Dutch.
(e.g. we have to go from "zwavel" to "sulfaat")
You memorize the elements. Then take the central element in the ion, strip off the suffix and add "-ate" or " ite".
-ate or -ite?
The -ite has one oxigen atom less than the -ate
It can get even worse. See the following line-up:
But you see the -ite/-ate rule still stands, just needed some extension.