ok disregard that, my badhttp://www.chacha.com/question/is-baso4-a-covalent-or-ionic-bondand if you still don't trust that,http://www.123helpme.com/synthesis-of-barium-sulphate-baso-view.asp?id=150042
Told you i don't trust them answer sites, thanks btw.http://www.123helpme.com/synthesis-of-barium-sulphate-baso-view.asp?id=150042
I still think it's ionic :s