A bright-line spectrum is produced when the atoms in a sample of an element [tex]\boxed{{\text{C}}{\text{. emit energy}}}[/tex].
Further explanation:
Atomic electronic transition:
When an atom jumps from one energy level to another energy level, an atomic electronic transition is said to take place. This occurs either due to the absorption or emission of energy by the electron.
When the transition of an atom takes place from lower to higher energy levels by the absorption of energy, it is known as an absorption process. But when atom jumps from higher to lower energy level, it releases or emits energy and therefore the process is called an emission process.
The lowest energy state of an atom is called the ground state and its energy is known as zero-point energy. It is the most stable energy level of an atom. But the state that has energy higher than that of the ground state is called an excited state. Excited states are unstable as compared to the ground state and atoms in such states tend to lose energy and jump back to the lower energy levels.
Since the atom of the sample bright-line present in the excited states, a bright-line spectrum is observed only if it emits some amount of energy and comes back to the lower energy level.
Learn more:
- Component of John Dalton’s atomic theory: https://brainly.com/question/2357175
- Basis of investigation for the scientists: https://brainly.com/question/158048
Answer details:
Grade: Senior School
Chapter: Atomic structure
Subject: Chemistry
Keywords: transition, ground state, excited state, energy, absorption, emission.
