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Chemistry
Atomic Structure
Protons and Electrons
the number of protons (which equals the number of electrons) in an atom. It is sometimes called the proton number
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and is denoted by the symbol "Z". The atomic number is unique to each element and is used to identify and classify them in the periodic table. For example, carbon has an atomic number of 6, which means it has 6 protons and 6 electrons.
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