Final answer:
Wave-particle duality is the concept that electrons can exhibit properties of both waves and particles.
Step-by-step explanation:
The statement that best describes wave-particle duality is that electrons exhibit properties of both waves and particles. This concept is a fundamental principle of quantum mechanics and states that particles, like electrons, can display wave-like properties and particle-like properties depending on the experiment or observation being made. For example, experiments such as the double-slit experiment have shown that electrons can exhibit interference patterns characteristic of waves. On the other hand, the photoelectric effect demonstrates the particle-like nature of electrons as they interact with photons.
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