Historia de las ondas electromagnéticas para la función de los teléfonos

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Argon, neon, and xenon are examples of

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=