This is two or more elements chemically combined in a fixed ratio. Example: water, carbon dioxide, sodium chloride

Astate of matter all that has define volume and can flow is a(n)

Can anybody me with this? ? (picture included.)

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th