It depends on what kind of shooting you do. Bulls-eye shooters hold the gun with one hand. Shooters that participate in practical shooting sports typically hold the gun with two. http://www.handgunsmag.com/tactics_training/HGcombatg_100206C.jpg
Which handgun? Some hold ONE cartridge- and at least one holds 100. There is no set number.
Yes.
To hold all the other components together
6 or 7
3 seconds
If a shell can hold a maximum of 32 electrons, what is the value of n
Depends on the handgun. There is no one number. I have some that hold 1, some hold 15.
It depends on the model. Some handguns hold 1 cartridge. Some hold as many as 10 or 12.
A 777-200 can hold a maximum of 440 while a 777-300 can hold 550 maximum.
d orbitals can hold a maximum of 10 electrons when filled.
Each orbital can hold a maximum of two electrons.