They are properly called cartridges, or shotshells (not bullets)- and the answer depends on which shotgun. Some hold 1 shell, some 2, 3 or (rarely) as many as 14. A standard pump shotgun can hold 5 shotshells, but most hunting regulations do not allow more than 3.
Most flare guns are single shot.
None
Depends on the handgun. There is no one number. I have some that hold 1, some hold 15.
As few as 2 and upwards of 200
None. No such gun.
None
a tazer or a gun with a no leathl shot
A shot gun wedding.
.45 ACP.
that depends on the model gun.. maybe 6 or 7 rounds..............
oneWell there is only one barrel on the gun, but it can hold 6 bullets in the standard revolver. There are variations of the gun that hold 5, 7 and 8 bullets, but those are very rare, particularly for the 7
Nothing. A cap gun has no bullets, it just makes noise.