Google chat is called talk and if friends only. So if you have the person on your friends list you can chat with them.If you are on or (which has talk enabled) then you can chat with anyone on or kut...
Internet chat rooms? So that people can chat with one another via the internet, with the advantage of chatting with people they have not met before.
To get into a chat room you should:Ask your parents if you can have an account on one.Log in.I presume you can take it from there.
No, WikiAnswers does not have chat rooms at this time, but there are plans for one in the future.
If one of your friends is online you double click on their screen name.