For example, Lead is a chemical element with the symbol Pb (from ... Three metals (iron, cobalt and nickel) are magnetic. Steel is a mixture of elements but it is mostly iron, and it is also ...

For example, graphite and diamond ... but they can be used for separating mixtures. Need extra resources for your physics and chemistry lessons? In this seven-part series, materials scientist ...

We do have phase data for some simple, relevant lipid mixtures ... of each chemical species reveals several hundred amphiphilic lipid molecules, differing, for example, in hydrocarbon chain ...