periodiek systeem
de elementen van het periodiek systeem op afkorting en groepWelcome to Memrise!
Join millions of people who are already learning for free on Memrise! It’s fast, it’s fun and it’s mind-bogglingly effective.
Welcome to Memrise!
Join millions of people who are already learning for free on Memrise! It’s fast, it’s fun and it’s mind-bogglingly effective.