![]() Atoms, electrons, protons, and neutrons also behave like waves! In other words, matter is just like light in that it has both wave-like and particle-like properties. Atoms, electrons, protons and neutrons do behave like particles. Everything that you've learned so far is absolutely true. Before reading any further, answer the following question – "Does matter behave like a wave, or a particle?" Obviously it behaves like a particle, right? Didn't we already decide that matter was made up of tiny particles called atoms, and that those atoms were, themselves, made up of even tinier particles called electrons, protons, and neutrons? Don’t worry. Now let's talk about something that you probably do understand (or at least think you do). He's the super-genius scientist, and I've never understood light anyhow." If Einstein says light is a wave and a particle, I'll believe him. Now, you probably didn't find the arguments in the previous chapter all that hard to accept. Both of these experiments could only be understood by assuming that light was a particle! Eventually, scientists had no choice but to accept the fact that light was actually both a wave and a particle – hence the wave-particle duality of light. But then along came a new set of results from black body radiation and the photoelectric effect. From the double-slit experiment, it was obvious that light behaved like a wave. The double-slit experiment proved that light passing through two closely spaced slits diffracted into circular waves, which then interfered with each other and made interesting patterns on the opposite wall. In The Bohr Model of the Atom chapter you learned about the double-slit experiment. ![]() 4 de Broglie Derived an Equation for the Wavelength of a Particle.3 de Broglie Proposed That Electrons are Particles and Waves.2 Electrons Were First Only Considered to Have Particle Properties. ![]()
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