<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the concept of wave-particle duality in quantum mechanics? Context: Wave-particle duality is the concept in quantum mechanics that particles can exhibit both wave-like and particle-like behavior. Answer: [/INST]Wave-particle duality is the idea that particles can exhibit both wave-like and particle-like behavior.</s>