Usually not, however, that will vary from state to state. Most Juvenile records are sealed once he/she becomes an Adult.
If conviction was for an offense that would have been a felony if committed by an adult, then no.
No
Yes
As long as it wasnt a felony charge you can
For a felony charge or any domestic violence charge, no.
If the possession charge was a felony, no, it is not legal to own or possess a gun.
Depends on whether it's a misdemeanor or felony charge. If it's a felony charge, the answer is going to be no. If it's related to a domestic violence matter, the answer will also be no, whether it's a misdemeanor or felony charge.
No! Actually, that depends on where you are and what the charge is. In the U.S. any felony will prevent you from buying a gun legally, but misdemeanors do not, except for misdemeanors of domestic violence.
Up to and including Life depending on the specifics of the case.
If you were convicted of the felony, you may not possess a firearm. If you were not found guilty, you may. Charge is a very vague term.
Yes. As long as your charge was a misdemeanor and not a felony. You may have a delay in your ability to actually take the gun home if the background checkers decide so. But eventually you should get the gun.
Going on the assumption that would be a felony in every U.S. state, no, you can't legally possess or own a gun with a felony unless your rights have been restored.