Molecular geometry datasheet

Please help!! I don’t understand how to do this..

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

What three things determine the shape and size of a puddle when water is poured out onto a surface

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it