1) This experiment aims to measure the accuracy of the Rydberg formula for calculating the energy levels of electrons in copper, iron, and sodium using flame tests. 2) The Rydberg formula determines the energy absorbed or released during an electron transition between energy levels based on the atomic number and wavelength. 3) Students will record the color emitted by wire samples dipped in element solutions and held in a flame, then use the color wavelength to calculate the electron excitation level using the Rydberg formula.