<P> The energy of photons that a hydrogen atom can emit in the Bohr derivation of the Rydberg formula, is given by the difference of any two hydrogen energy levels: </P> <Dl> <Dd> <Dl> <Dd> E = h ν = E i − E f = m e q e 2 q Z 2 8 h 2 ε 0 2 (1 n f 2 − 1 n i 2) (\ displaystyle E = h \ nu = E_ (i) - E_ (f) = (\ frac (m_ (e) q_ (e) ^ (2) q_ (Z) ^ (2)) (8h ^ (2) \ varepsilon _ (0) ^ (2))) \ left ((\ frac (1) (n_ (f) ^ (2))) - (\ frac (1) (n_ (i) ^ (2))) \ right) \,) </Dd> </Dl> </Dd> </Dl> <Dd> <Dl> <Dd> E = h ν = E i − E f = m e q e 2 q Z 2 8 h 2 ε 0 2 (1 n f 2 − 1 n i 2) (\ displaystyle E = h \ nu = E_ (i) - E_ (f) = (\ frac (m_ (e) q_ (e) ^ (2) q_ (Z) ^ (2)) (8h ^ (2) \ varepsilon _ (0) ^ (2))) \ left ((\ frac (1) (n_ (f) ^ (2))) - (\ frac (1) (n_ (i) ^ (2))) \ right) \,) </Dd> </Dl> </Dd> <Dl> <Dd> E = h ν = E i − E f = m e q e 2 q Z 2 8 h 2 ε 0 2 (1 n f 2 − 1 n i 2) (\ displaystyle E = h \ nu = E_ (i) - E_ (f) = (\ frac (m_ (e) q_ (e) ^ (2) q_ (Z) ^ (2)) (8h ^ (2) \ varepsilon _ (0) ^ (2))) \ left ((\ frac (1) (n_ (f) ^ (2))) - (\ frac (1) (n_ (i) ^ (2))) \ right) \,) </Dd> </Dl>

Who ordered the table due to protons and not weight