Larry, all snakes have teeth. The rows of teeth in a Gray (or Black) Rat Snake will look like fangs. A Water Moccasin, or Cottonmouth, is a snake of swamps, and does not approach this size. Also, a Cottonmouth has a completely different pattern. Almost all snakes have a white inner lining of the mouth, making them look like a Cottonmouth when alarmed; the Black Rat Snake I caught Tuesday showed a white lining to the mouth while biting me three times (she was very frightened), plus, when looking in the Peterson's Guide, it doesn't look like Cottonmouths make it to Northern Alabama. Of course, people will call me a liar, and say they have seen "Water Moccasins", but these are simply Water Snakes, and are harmless.

It's a baby Black Rat Snake(Pantherophis obsoletta), a very common species in Virginia. Most people, I guess, expect the babies to be black like adults are in this region, but that isn't the case. This one is very typical of a hatchling Black Rat.

Garter snake. Not venomous, eats slugs and other things. Don't try to handle them - they can secrete a very smelly substance to make predators go away.

You don't say exactly where you are - for reptiles and amphibians, the locality tells which subspecies, but it is a baby Rat Snake. Rat Snake, WIkipedia Where you are is important to know what it will look like when it is grown. Totally harmless BTW, and can be picked up and played with.