What is a chemical element? Are the concepts of a chemical element and an atom the same?

A chemical element is defined as a material that cannot be destroyed or changed to another substance using chemicals. Elements can be seen as the basic chemical building blocks of matter. There are 118 known elements. Each element is identified according to the number of protons it has in its atomic nucleus. A new element can be created by adding additional protons to the atom. Atoms of the same element have the same atomic number.



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