Save guides, add subjects and pick up where you left off with your BBC account. Fran: We can compare or group different materials according to whether they are solids, liquids or gases. So let's ...

Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

This compact quadrupole mass spectrometer (CMS) provides essential information quickly on a variety of samples including solid, liquids and gases. The mass spec allows users to switch rapidly between ...

The difference is mostly due to the fact that air is a gas and the water is a liquid, because density depends a lot on the state of matter. In a solid, the particles are tightly packed ...