1
26
Exactly 16
Exactly 18 of them
how 2s go into 324?
96 ÷ 2 = 48
214 ÷ 2 = 107
thirty 60 / 2 = 30
Two will go into forty two twenty one times.
Exactly 18 of them do, with nothing hanging out and no room to spare.
80
There is only one 2s orbital in an atom.