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What Is an Atomic Number? Definition and Examples
https://sciencenotes.org/what-is-an-atomic-number-definition-and-examples/
WEBOct 6, 2020 · The atomic number is the number of protons found in the nucleus of an atom, which uniquely identifies its element. The atomic number is also …
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Atomic number | Definition & Facts | Britannica
https://www.britannica.com/science/atomic-number
WEBAtomic number, the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the …
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Atomic number - Wikipedia
https://en.wikipedia.org/wiki/Atomic_number
WEBThe atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei …
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Atomic Number Definition - Chemistry Glossary - ThoughtCo
https://www.thoughtco.com/definition-of-atomic-number-604376
WEBSep 9, 2019 · The atomic number of a chemical element is the number of protons in the nucleus of an atom of the element. It is the charge number of the …
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Atomic number, atomic mass, and isotopes - Khan Academy
https://www.khanacademy.org/science/biology/chemistry--of-life/elements-and-atoms/a/atomic-number-atomic-mass-and-isotopes-article
WEBFundamental properties of atoms including atomic number and atomic mass. The atomic number is the number of protons in an atom, and isotopes …
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