cyber safety

1: I'm online and I meet someone my age in a chat room. Is it OK to give him or her my address or phone number so we can get together?

2: I have a digital picture of myself and someone I met online wants to see it. Is it OK to send it to that person?

3: I'm visiting a site from a company or organization that I've heard of. They want my name and phone number so I can enter a contest. Is it OK to enter?

4: I'm in the middle of a chat session and someone says something really mean. Should I:

5: what should you do if someone online tell you to not tell your parents about them