Hydrogen Protons, Neutrons, Electrons: H⁺ Ion, Isotopes

Hydrogen – what is it?

Atom | Definition, Structure & Examples

A line of the Lyman series of the hydrogen atom spectrum has the wavelength 9.50 ×10^-8  m. It results from a transition from an upper energy level to n=1. What is the principal quantum number of the upper level? | Numerade

Hydrogen Spectrum - Balmer Series, Definition, Diagram, Spectrum