you can transfer Pokemon from Pokemon platinum to black and white but you can't trade from black to platinum
Yes,you can trade with perl,diamond,platinum and soul silver.You can trade before beating the elite four.
you cant but you can transfer platinum Pokemon to black or white only if you beat the elite 4
yes. that's how i made my ralts my main starter on ss
By trade
Yes, go to any Pokemon center. You need to have passed some point in the game but this is miles before the elite 4.
yes. Defeat the elite four and get national pokedex and access route 15, where poketransfer lab will be.
Yes.
No you can trade anytime before beating the elite four.
ya u can trade Pokemon in blue before u beat the elite four.
No, unfortunately you can only poketransfer them after you beat the elite four from diamond/pearl/platinum/heartgold/soulsilver
76% silver, 10% platinum and 14% of another metal. Silver Elite is a trade mark of Josten's and this information is according to them.
no you must poketransfer platinum Pokemon from the game to black/white. just like pal park: beat elite four to unlock