yes, sure can
I think so
No, a Canon lens will not fit on a Nikon camera because they have different lens mounts.
No, a Canon lens cannot fit a Nikon camera because they have different lens mounts.
Yes
yes
A Nikon EM has a standard Nikon mount, so you can use any lens that'll fit on a Nikon, except for a Nikon Series G lens, on an EM. A Series G will fit but it won't work because there's no aperture ring.
Yes, it will fit. However, you will still need to see if the lens you have has or does not have features like autofocus or CPU connectors that will carry all the info that your camera needs... If it is a Nikon Lens it will work fine. So will others like Sigma, Tamron and Tokina. Carl Zeiss may not give you all the functions but will work in manual mode.
Yes. And that is an AMAZING lens, by the way.
Yes as long as it's not pre AI
Yes
No, Canon lenses do not fit Nikon cameras. Canon lenses are designed for Canon cameras and use a different lens mount system than Nikon cameras.
Yes