Question

The bright-line spectrum of sodium is produced when energy is...?

absorbed as electrons move from higher to lower electron shells
absorbed as electrons move from lower to higher electron shells
released as electrons move from higher to lower electron shells
released as electrons move from lower to higher electron shells

Answer 1

A bright line spectrum comes from the release of discrete packets of light in the form of photons. Depending on the change in (n) energy levels in an atom, depends on the frequency and therefore the energy of the photon that is released. In general photons of light are released when electrons move from an excited (n) energy level to a lower or ground state energy level.

Answer 2

Each element produces its own unique light spectrum.