If you are not looking for room around them, 64 will fit.
There is only one 2s orbital in an atom.
That should be 48" x 40" and 75" tall. Yes it will fit in a standard container.
20
4 times
2s + s + 12 =132 ie 3s = 132 -12 3s = 120 s = 40
if the pallets are 40" by 48" than 16 will fit
40-60
40-60
about 40. (formula is: Size of US/Size of Britain= 40.333333[etc.])
25 of them
310.