[填空题]
The angular momentum 10 in the hydrogen x* ;wjqjw l,9 b yuj;-.b4egpe:a 5njepz,0ftatom is gd6 i9 cg*n dudhb0)nh0iven both by the Bohr model and by quantu d6dn90ig cbh)n*u d0hm mechanics. Compare the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf