How will you show that metals form basic oxides?

Drag each tile to the correct box. tiles bra i sequence

What’s #16 asking and how do i solve it?

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3