I'd consider redoing the list, submitting it to your teacher and saying that it was an honest mistake that you accidentally submitted the wrong list. If you are penalised for late submission, or if it is not accepted by your teacher and you are left with a wrong list, then I honestly wouldn't worry about it. It's the first task, my older sister got 21/40 for her first chemistry task and still got a b6 by the time she finished. School tasks aren't a true measure of how smart you are, just remember that