Question

why do elements emit different colors of light when placed in a flame? a elements emit light because electrons get excited & then fall back to the ground state from an excited state b elements emit light because protons get excited & then fall back to the ground state from an excited state c elements emit light because neutrons get excited & then fall back to the ground state from an excited state d elements emit light because they are generally made of a flammable material. since each element is different, they burn a different color

Explanation:

When elements are placed in a flame, electrons absorb energy and get excited to higher - energy levels. When they fall back to the ground state, they release energy in the form of light. The color of the light depends on the energy difference between the excited state and the ground state. Protons and neutrons are in the nucleus and are not involved in this process of light - emission. Also, the light - emission is not due to flammability of the material.

Answer:

A. Elements emit light because electrons get excited & then fall back to the ground state from an excited state