The elements that scientists have discovered so far are listed in the periodic table of elements, and include both elements that are found in nature like carbon, hydrogen and oxygen, as well as those that are manmade, like Lawrencium. ![]() Each chemical is unique, composed of a set number of protons, neutrons and electrons, and is identified by a name and a chemical symbol, such as "C" for carbon. The main building blocks in chemistry are chemical elements, which are substances made of a single atom. ![]() The reason why chemistry touches everything we do is because almost everything in existence can be broken down into chemical building blocks.
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