<P> The relative position C of the center mass of n, l ⟩ levels of atom A with respect to the center mass of n, l ⟩ levels of atom B is given as </P> <Dl> <Dd> C n A l A, n B l B = − c m A (n A, l A) − c m B (n B, l B) (\ displaystyle C_ (n_ (\ mathrm (A)) l_ (\ mathrm (A)), n_ (\ mathrm (B)) l_ (\ mathrm (B))) = - \ left cm ^ (\ mathrm (A)) (n_ (\ mathrm (A)), l_ (\ mathrm (A))) - cm ^ (\ mathrm (B)) (n_ (\ mathrm (B)), l_ (\ mathrm (B))) \ right) </Dd> </Dl> <Dd> C n A l A, n B l B = − c m A (n A, l A) − c m B (n B, l B) (\ displaystyle C_ (n_ (\ mathrm (A)) l_ (\ mathrm (A)), n_ (\ mathrm (B)) l_ (\ mathrm (B))) = - \ left cm ^ (\ mathrm (A)) (n_ (\ mathrm (A)), l_ (\ mathrm (A))) - cm ^ (\ mathrm (B)) (n_ (\ mathrm (B)), l_ (\ mathrm (B))) \ right) </Dd> <P> where the contributions of the magnetic and spin quantum numbers are summed . According to this definition, the relative position of the A levels with respect to the B levels is </P>

What is the type of particle formed by covalent bonds