# Question #d42ce

##### 1 Answer

de Broglie suggested that particles can behave like waves.

de Broglie postulated the wave nature of electrons and suggested that all matter has wave properties. This concept is known as **wave-particle duality**.

Every particle of matter with mass *m* and velocity *v* has a momentum

**EXAMPLE**

What is the de Broglie wavelength of an electron (

**Solution**

Note: This is just a little bigger than the diameter of a hydrogen atom.