Select the set of quantum numbers that represents each electron in a ground-state Be atom. n=2,=0,m=0,ms=21n=2,=1,m=0,ms=21n=2,=0,m=0,ms=1n=1,=0,m=0,ms=21n=1,=0,m=1,ms=+21n=2,=0,m=0,ms=+21n=1,=0,m=0,ms=+21n=2,=1,m=1,ms=+21