What are elements? KEY TERMS element: simple substance that cannot be broken down into simpler substances symbol: short way of writing the name of an . The element symbol is the short way of writing an element. For example, the symbol for sodium is Na and the symbol for Chloride is Cl. When you combine them.
Chemical Symbols At one time chemists used various symbols, similar to shorthand, The first letter of the chemical symbol is always capitalized. Most chemical elements are represented symbolically by two letters, generally the first two in their name. In some cases, the first letter together with some other.
However, the atom itself is not the smallest known particle, but instead each atom is made up of three individual parts: electrons, protons and neutrons. It is a beautiful question for me,I like to give this answer in simple but briefly “The smallest particle of an elements that can exist and it still have.