I believe you are asking about an air gun that fires a 22 Cal pellet. The pellet is driven by air not gunpowder. Seewww.crosman.com to see several different Airgun models.
No.
Gun shop
No
Yes.
Any firearm chambered for 22
Up to 9
Depends on the gun. A .22 will have very different pressures from a 30-06.
I believe the smallest bullet in terms of diameter is the .17 HMR. It is a .22 casing that is necked down to accept a .17 caliber bullet.
very, during gun safety as a child, I saw a video that showed how a .22 cal bullet can bounce, around the body and tear it apart.
You will have to state whether it is a rifle or handgun to get an answer.
It all depends on the gun and its specs like the guns velocity.
About 1 mile, when fired at a 45 degree angle.