[填空题]
The angular momentum 10 in the hydrovrs 0ad lst3yzvehk(*5xq*2(gen atom is giveo 46 (c qjywaek*afs6n4mle6-n both by the Bohr model and by quantum mechanics. Compa 6jq4m asef k -4(cowyel*na66re the results for $L = mvr$.
or $L_{\text{QM}}$ = $\hbar$. asdfasdofadsf